diff --git a/src/main/java/storagecraft/container/ContainerImporter.java b/src/main/java/storagecraft/container/ContainerImporter.java
index 58c41b55c..d00a9ec43 100644
--- a/src/main/java/storagecraft/container/ContainerImporter.java
+++ b/src/main/java/storagecraft/container/ContainerImporter.java
@@ -12,6 +12,6 @@ public class ContainerImporter extends ContainerBase {
 			addSlotToContainer(new SlotSpecimen(importer, i, 8 + (18 * i), 20));
 		}
 
-		addPlayerInventory(8, 100);
+		addPlayerInventory(8, 119);
 	}
 }
diff --git a/src/main/java/storagecraft/gui/GuiImporter.java b/src/main/java/storagecraft/gui/GuiImporter.java
index 14a5e5dd5..cc48a34d0 100644
--- a/src/main/java/storagecraft/gui/GuiImporter.java
+++ b/src/main/java/storagecraft/gui/GuiImporter.java
@@ -15,16 +15,15 @@ public class GuiImporter extends GuiMachine {
 
 	private TileImporter importer;
 
-	private int compareFlags;
-
 	private GuiButton compareNBT;
 	private GuiButton compareDamage;
+	private GuiButton mode;
 
 	public GuiImporter(ContainerImporter container, TileImporter importer) {
 		super(container, importer);
 
 		this.xSize = 176;
-		this.ySize = 182;
+		this.ySize = 201;
 
 		this.importer = importer;
 	}
@@ -36,18 +35,18 @@ public class GuiImporter extends GuiMachine {
 		int x = (this.width - xSize) / 2;
 		int y = (this.height - ySize) / 2;
 
-		buttonList.add(compareNBT = new GuiButton(1, x + 7, y + 41, 100, 20, "..."));
-		buttonList.add(compareDamage = new GuiButton(2, x + 7, y + 63, 120, 20, "..."));
+		buttonList.add(compareNBT = new GuiButton(1, x + 7, y + 41, 100, 20, ""));
+		buttonList.add(compareDamage = new GuiButton(2, x + 7, y + 63, 120, 20, ""));
+		buttonList.add(mode = new GuiButton(3, x + 7, y + 85, 80, 20, ""));
 	}
 
 	@Override
 	public void updateScreen() {
 		super.updateScreen();
 
-		compareFlags = importer.getCompareFlags();
-
 		compareNBT.displayString = getTextForCompareToggle("NBT", InventoryUtils.COMPARE_NBT);
 		compareDamage.displayString = getTextForCompareToggle("Damage", InventoryUtils.COMPARE_DAMAGE);
+		mode.displayString = StatCollector.translateToLocal("misc.storagecraft:importer.mode." + importer.getMode().id);
 	}
 
 	private String getTextForCompareToggle(String which, int flag) {
@@ -56,7 +55,7 @@ public class GuiImporter extends GuiMachine {
 		builder.append(StatCollector.translateToLocal("misc.storagecraft:compare" + which));
 		builder.append(": ");
 
-		if ((compareFlags & flag) == flag) {
+		if ((importer.getCompareFlags() & flag) == flag) {
 			builder.append(StatCollector.translateToLocal("misc.storagecraft:on"));
 		} else {
 			builder.append(StatCollector.translateToLocal("misc.storagecraft:off"));
@@ -79,14 +78,14 @@ public class GuiImporter extends GuiMachine {
 		super.drawGuiContainerForegroundLayer(mouseX, mouseY);
 
 		fontRendererObj.drawString(StatCollector.translateToLocal("gui.storagecraft:importer"), 7, 7, 4210752);
-		fontRendererObj.drawString(StatCollector.translateToLocal("container.inventory"), 7, 89, 4210752);
+		fontRendererObj.drawString(StatCollector.translateToLocal("container.inventory"), 7, 108, 4210752);
 	}
 
 	@Override
 	protected void actionPerformed(GuiButton button) {
 		super.actionPerformed(button);
 
-		int flags = compareFlags;
+		int flags = importer.getCompareFlags();
 
 		if (button.id == compareNBT.id) {
 			flags ^= InventoryUtils.COMPARE_NBT;
@@ -94,6 +93,6 @@ public class GuiImporter extends GuiMachine {
 			flags ^= InventoryUtils.COMPARE_DAMAGE;
 		}
 
-		StorageCraft.NETWORK.sendToServer(new MessageImporterUpdate(importer.xCoord, importer.yCoord, importer.zCoord, flags));
+		StorageCraft.NETWORK.sendToServer(new MessageImporterUpdate(importer.xCoord, importer.yCoord, importer.zCoord, flags, button.id == mode.id));
 	}
 }
diff --git a/src/main/java/storagecraft/gui/GuiMachine.java b/src/main/java/storagecraft/gui/GuiMachine.java
index 4cf22f4e0..2b90d8749 100644
--- a/src/main/java/storagecraft/gui/GuiMachine.java
+++ b/src/main/java/storagecraft/gui/GuiMachine.java
@@ -46,7 +46,7 @@ public abstract class GuiMachine extends GuiContainer {
 
 			lines.add(StatCollector.translateToLocal("misc.storagecraft:redstoneMode." + machine.getRedstoneMode().id));
 
-			this.drawHoveringText(lines, mx, my, fontRendererObj);
+			drawHoveringText(lines, mx, my, fontRendererObj);
 		}
 	}
 
diff --git a/src/main/java/storagecraft/network/MessageImporterUpdate.java b/src/main/java/storagecraft/network/MessageImporterUpdate.java
index 9c71ea3f3..9a13a02de 100644
--- a/src/main/java/storagecraft/network/MessageImporterUpdate.java
+++ b/src/main/java/storagecraft/network/MessageImporterUpdate.java
@@ -13,43 +13,53 @@ public class MessageImporterUpdate implements IMessage, IMessageHandler<MessageI
 	private int y;
 	private int z;
 	private int compareFlags;
-
+	private boolean nextMode;
+	
 	public MessageImporterUpdate() {
 	}
-
-	public MessageImporterUpdate(int x, int y, int z, int compareFlags) {
+	
+	public MessageImporterUpdate(int x, int y, int z, int compareFlags, boolean nextMode) {
 		this.x = x;
 		this.y = y;
 		this.z = z;
 		this.compareFlags = compareFlags;
+		this.nextMode = nextMode;
 	}
-
+	
 	@Override
 	public void fromBytes(ByteBuf buf) {
 		x = buf.readInt();
 		y = buf.readInt();
 		z = buf.readInt();
 		compareFlags = buf.readInt();
+		nextMode = buf.readBoolean();
 	}
-
+	
 	@Override
 	public void toBytes(ByteBuf buf) {
 		buf.writeInt(x);
 		buf.writeInt(y);
 		buf.writeInt(z);
 		buf.writeInt(compareFlags);
+		buf.writeBoolean(nextMode);
 	}
-
+	
 	@Override
 	public IMessage onMessage(MessageImporterUpdate message, MessageContext context) {
 		EntityPlayerMP player = context.getServerHandler().playerEntity;
-
+		
 		TileEntity tile = player.worldObj.getTileEntity(message.x, message.y, message.z);
-
+		
 		if (tile instanceof TileImporter) {
-			((TileImporter) tile).setCompareFlags(message.compareFlags);
+			TileImporter importer = (TileImporter) tile;
+			
+			importer.setCompareFlags(message.compareFlags);
+			
+			if (message.nextMode) {
+				importer.setMode(importer.getMode().next());
+			}
 		}
-
+		
 		return null;
 	}
 }
diff --git a/src/main/java/storagecraft/network/MessageRedstoneModeUpdate.java b/src/main/java/storagecraft/network/MessageRedstoneModeUpdate.java
index d770ea1bc..a0739686e 100644
--- a/src/main/java/storagecraft/network/MessageRedstoneModeUpdate.java
+++ b/src/main/java/storagecraft/network/MessageRedstoneModeUpdate.java
@@ -6,7 +6,6 @@ import cpw.mods.fml.common.network.simpleimpl.MessageContext;
 import io.netty.buffer.ByteBuf;
 import net.minecraft.entity.player.EntityPlayerMP;
 import net.minecraft.tileentity.TileEntity;
-import storagecraft.tile.RedstoneMode;
 import storagecraft.tile.TileMachine;
 
 public class MessageRedstoneModeUpdate implements IMessage, IMessageHandler<MessageRedstoneModeUpdate, IMessage> {
@@ -46,13 +45,7 @@ public class MessageRedstoneModeUpdate implements IMessage, IMessageHandler<Mess
 		if (tile instanceof TileMachine) {
 			TileMachine machine = (TileMachine) tile;
 
-			int id = machine.getRedstoneMode().id + 1;
-
-			if (RedstoneMode.getById(id) == null) {
-				id = 0;
-			}
-
-			machine.setRedstoneMode(RedstoneMode.getById(id));
+			machine.setRedstoneMode(machine.getRedstoneMode().next());
 		}
 
 		return null;
diff --git a/src/main/java/storagecraft/tile/ImporterMode.java b/src/main/java/storagecraft/tile/ImporterMode.java
new file mode 100644
index 000000000..8df12c200
--- /dev/null
+++ b/src/main/java/storagecraft/tile/ImporterMode.java
@@ -0,0 +1,31 @@
+package storagecraft.tile;
+
+public enum ImporterMode {
+	WHITELIST(0), BLACKLIST(1);
+
+	public final int id;
+
+	ImporterMode(int id) {
+		this.id = id;
+	}
+
+	public ImporterMode next() {
+		ImporterMode next = getById(id + 1);
+
+		if (next == null) {
+			return getById(0);
+		}
+
+		return next;
+	}
+
+	public static ImporterMode getById(int id) {
+		for (ImporterMode mode : values()) {
+			if (mode.id == id) {
+				return mode;
+			}
+		}
+
+		return null;
+	}
+}
diff --git a/src/main/java/storagecraft/tile/RedstoneMode.java b/src/main/java/storagecraft/tile/RedstoneMode.java
index 36e106beb..0d3eb12f6 100644
--- a/src/main/java/storagecraft/tile/RedstoneMode.java
+++ b/src/main/java/storagecraft/tile/RedstoneMode.java
@@ -11,6 +11,16 @@ public enum RedstoneMode {
 		this.id = id;
 	}
 
+	public RedstoneMode next() {
+		RedstoneMode next = getById(id + 1);
+
+		if (next == null) {
+			return getById(0);
+		}
+
+		return next;
+	}
+
 	public static RedstoneMode getById(int id) {
 		for (RedstoneMode control : values()) {
 			if (control.id == id) {
diff --git a/src/main/java/storagecraft/tile/TileBase.java b/src/main/java/storagecraft/tile/TileBase.java
index 1e22536cb..3e82a46c9 100644
--- a/src/main/java/storagecraft/tile/TileBase.java
+++ b/src/main/java/storagecraft/tile/TileBase.java
@@ -13,7 +13,7 @@ import storagecraft.network.MessageTileUpdate;
 public class TileBase extends TileEntity {
 	public static final int UPDATE_RANGE = 64;
 
-	private ForgeDirection direction;
+	private ForgeDirection direction = ForgeDirection.UNKNOWN;
 
 	protected int ticks;
 
diff --git a/src/main/java/storagecraft/tile/TileImporter.java b/src/main/java/storagecraft/tile/TileImporter.java
index 806bc16c1..58610af9d 100644
--- a/src/main/java/storagecraft/tile/TileImporter.java
+++ b/src/main/java/storagecraft/tile/TileImporter.java
@@ -11,10 +11,12 @@ import storagecraft.util.InventoryUtils;
 
 public class TileImporter extends TileMachine implements IInventory {
 	public static final String NBT_COMPARE_FLAGS = "CompareFlags";
+	public static final String NBT_MODE = "Mode";
 
 	private InventorySimple inventory = new InventorySimple("importer", 9);
 
-	private int compareFlags = InventoryUtils.COMPARE_NBT | InventoryUtils.COMPARE_DAMAGE;
+	private int compareFlags = 0;
+	private ImporterMode mode = ImporterMode.WHITELIST;
 
 	private int currentSlot = 0;
 
@@ -67,12 +69,20 @@ public class TileImporter extends TileMachine implements IInventory {
 				slots++;
 
 				if (InventoryUtils.compareStack(stack, slot, compareFlags)) {
-					return true;
+					if (mode == ImporterMode.WHITELIST) {
+						return true;
+					} else if (mode == ImporterMode.BLACKLIST) {
+						return false;
+					}
 				}
 			}
 		}
 
-		return slots == 0;
+		if (mode == ImporterMode.WHITELIST) {
+			return slots == 0;
+		}
+
+		return true;
 	}
 
 	public int getCompareFlags() {
@@ -83,6 +93,14 @@ public class TileImporter extends TileMachine implements IInventory {
 		this.compareFlags = flags;
 	}
 
+	public ImporterMode getMode() {
+		return mode;
+	}
+
+	public void setMode(ImporterMode mode) {
+		this.mode = mode;
+	}
+
 	@Override
 	public int getSizeInventory() {
 		return inventory.getSizeInventory();
@@ -151,6 +169,10 @@ public class TileImporter extends TileMachine implements IInventory {
 			compareFlags = nbt.getInteger(NBT_COMPARE_FLAGS);
 		}
 
+		if (nbt.hasKey(NBT_MODE)) {
+			mode = ImporterMode.getById(nbt.getInteger(NBT_MODE));
+		}
+
 		InventoryUtils.restoreInventory(this, nbt);
 	}
 
@@ -159,6 +181,7 @@ public class TileImporter extends TileMachine implements IInventory {
 		super.writeToNBT(nbt);
 
 		nbt.setInteger(NBT_COMPARE_FLAGS, compareFlags);
+		nbt.setInteger(NBT_MODE, mode.id);
 
 		InventoryUtils.saveInventory(this, nbt);
 	}
@@ -168,6 +191,7 @@ public class TileImporter extends TileMachine implements IInventory {
 		super.fromBytes(buf);
 
 		compareFlags = buf.readInt();
+		mode = ImporterMode.getById(buf.readInt());
 	}
 
 	@Override
@@ -175,5 +199,6 @@ public class TileImporter extends TileMachine implements IInventory {
 		super.toBytes(buf);
 
 		buf.writeInt(compareFlags);
+		buf.writeInt(mode.id);
 	}
 }
diff --git a/src/main/java/storagecraft/tile/TileMachine.java b/src/main/java/storagecraft/tile/TileMachine.java
index 39658d1ef..ea8a0b594 100644
--- a/src/main/java/storagecraft/tile/TileMachine.java
+++ b/src/main/java/storagecraft/tile/TileMachine.java
@@ -8,7 +8,7 @@ public abstract class TileMachine extends TileBase implements INetworkTile {
 
 	protected boolean connected = false;
 
-	private RedstoneMode redstoneMode = RedstoneMode.IGNORE;
+	private RedstoneMode redstoneMode = RedstoneMode.LOW;
 
 	private int xController;
 	private int yController;
diff --git a/src/main/resources/assets/storagecraft/lang/en_US.lang b/src/main/resources/assets/storagecraft/lang/en_US.lang
index 623b7550d..44bfaf077 100644
--- a/src/main/resources/assets/storagecraft/lang/en_US.lang
+++ b/src/main/resources/assets/storagecraft/lang/en_US.lang
@@ -22,6 +22,9 @@ misc.storagecraft:redstoneMode.0=Ignore
 misc.storagecraft:redstoneMode.1=High
 misc.storagecraft:redstoneMode.2=Low
 
+misc.storagecraft:importer.mode.0=Whitelist
+misc.storagecraft:importer.mode.1=Blacklist
+
 block.storagecraft:controller.name=Controller
 block.storagecraft:cable.name=Cable
 block.storagecraft:grid.name=Grid
diff --git a/src/main/resources/assets/storagecraft/lang/nl_NL.lang b/src/main/resources/assets/storagecraft/lang/nl_NL.lang
index 57ab193ee..3134081a5 100644
--- a/src/main/resources/assets/storagecraft/lang/nl_NL.lang
+++ b/src/main/resources/assets/storagecraft/lang/nl_NL.lang
@@ -22,6 +22,9 @@ misc.storagecraft:redstoneMode.0=Negeren
 misc.storagecraft:redstoneMode.1=Hoog
 misc.storagecraft:redstoneMode.2=Laag
 
+misc.storagecraft:importer.mode.0=Whitelist
+misc.storagecraft:importer.mode.1=Blacklist
+
 block.storagecraft:controller.name=Controleur
 block.storagecraft:cable.name=Kabel
 block.storagecraft:grid.name=Rooster
diff --git a/src/main/resources/assets/storagecraft/textures/blocks/exporter.png b/src/main/resources/assets/storagecraft/textures/blocks/exporter.png
new file mode 100644
index 000000000..01add7154
Binary files /dev/null and b/src/main/resources/assets/storagecraft/textures/blocks/exporter.png differ
diff --git a/src/main/resources/assets/storagecraft/textures/gui/exporter.png b/src/main/resources/assets/storagecraft/textures/gui/exporter.png
index 54d461b7a..76e3bbb4d 100644
Binary files a/src/main/resources/assets/storagecraft/textures/gui/exporter.png and b/src/main/resources/assets/storagecraft/textures/gui/exporter.png differ
diff --git a/src/main/resources/assets/storagecraft/textures/gui/importer.png b/src/main/resources/assets/storagecraft/textures/gui/importer.png
index 18efb12d5..867ad0abe 100644
Binary files a/src/main/resources/assets/storagecraft/textures/gui/importer.png and b/src/main/resources/assets/storagecraft/textures/gui/importer.png differ