diff --git a/sl_controller/commands.lua b/sl_controller/commands.lua
index 61a37dc..0508ee2 100644
--- a/sl_controller/commands.lua
+++ b/sl_controller/commands.lua
@@ -94,6 +94,21 @@ sl_controller.register_action("send_cmnd", {
 		' example: $send_cmnd("1234", "on")'
 })
 
+sl_controller.register_action("set_filter", {
+	cmnd = function(self, num, slot, val) 
+		num = tostring(num or "")
+		slot = tostring(slot or "red")
+		val = tostring(val or "on")
+		tubelib.send_message(num, self.meta.owner, nil, "filter", {slot=slot, val=val})
+	end,
+	help = " $set_filter(num, slot, val)\n"..
+		' Turn on/off a Distributor filter slot.\n'..
+		" For more help, see:\n"..
+		" https://github.com/joe7575/techpack/wiki/nodes\n"..
+		' example: $set_filter("1234", "red", "off")'
+})
+
+
 sl_controller.register_action("display", {
 	cmnd = function(self, num, row, text1, text2, text3)
 		text1 = tostring(text1 or "")
diff --git a/sl_controller/server.lua b/sl_controller/server.lua
index 81d8daa..dfe00a6 100644
--- a/sl_controller/server.lua
+++ b/sl_controller/server.lua
@@ -92,9 +92,9 @@ minetest.register_node("sl_controller:server", {
 minetest.register_craft({
 	output = "sl_controller:server",
 	recipe = {
-		{"", "", ""},
-		{"default:mese_crystal_fragment", "tubelib:wlanchip", "default:mese_crystal_fragment"},
-		{"", "default:copper_ingot", ""},
+		{"", "dye:black", ""},
+		{"default:mese_crystal", "tubelib:wlanchip", "default:mese_crystal"},
+		{"default:steel_ingot", "default:copper_ingot", "default:steel_ingot"},
 	},
 })
 
diff --git a/tubelib/distributor.lua b/tubelib/distributor.lua
index 151ffc1..0919191 100644
--- a/tubelib/distributor.lua
+++ b/tubelib/distributor.lua
@@ -311,6 +311,24 @@ local function on_receive_fields(pos, formname, fields, player)
 	end
 end
 
+-- tubelib command to turn on/off filter channels
+local function change_filter_settings(pos, slot, val)
+	local slots = {["red"] = 1, ["green"] = 2, ["blue"] = 3, ["yellow"] = 4}
+	local meta = minetest.get_meta(pos)
+	local filter = minetest.deserialize(meta:get_string("filter"))
+	local num = slots[slot] or 1
+	if num >= 1 and num <= 4 then
+		filter[num] = val == "on"
+	end
+	meta:set_string("filter", minetest.serialize(filter))
+	
+	filter_settings(pos)
+	
+	local running = meta:get_int("running")
+	meta:set_string("formspec", distributor_formspec(tubelib.state(running), filter))
+	return true
+end
+
 minetest.register_node("tubelib:distributor", {
 	description = "Tubelib Distributor",
 	tiles = {
@@ -442,6 +460,8 @@ tubelib.register_node("tubelib:distributor", {"tubelib:distributor_active"}, {
 			local meta = minetest.get_meta(pos)
 			local running = meta:get_int("running")
 			return tubelib.statestring(running)
+		elseif topic == "filter" then
+			return change_filter_settings(pos, payload.slot, payload.val)
 		else
 			return "unsupported"
 		end