Round Two

code/ATMOSPHERICS/components/binary_devices/pump.dm

@@ -20,7 +20,7 @@ Thus, the two variables affect pump operation are set in New():
 	level = 1
 
 	name = "gas pump"
-	desc = "A pump"
+	desc = "A pump that moves gas from one place to another."
 
 	var/target_pressure = ONE_ATMOSPHERE
 

code/ATMOSPHERICS/components/binary_devices/volume_pump.dm

@@ -6,7 +6,7 @@
 	level = 1
 
 	name = "high power gas pump"
-	desc = "A pump. Has double the power rating of the standard gas pump."
+	desc = "A pump that moves gas from one place to another. Has double the power rating of the standard gas pump."
 
 	power_rating = 15000	//15000 W ~ 20 HP
 

code/ATMOSPHERICS/components/omni_devices/filter.dm

@@ -3,6 +3,7 @@
 //--------------------------------------------
 /obj/machinery/atmospherics/omni/atmos_filter
 	name = "omni gas filter"
+	desc = "An advanced version of the gas filter, able to be configured for filtering of multiple gasses."
 	icon_state = "map_filter"
 	pipe_state = "omni_filter"
 

code/ATMOSPHERICS/components/trinary_devices/filter.dm

@@ -7,6 +7,7 @@
 	level = 1
 
 	name = "Gas filter"
+	desc = "Filters one type of gas from an input, and pushes it out the side."
 
 	use_power = 1
 	idle_power_usage = 150		//internal circuitry, friction losses and stuff

code/ATMOSPHERICS/pipes/he_pipes.dm

@@ -140,6 +140,7 @@
 // Heat Exchange Junction - Interfaces HE pipes to normal pipes
 //
 /obj/machinery/atmospherics/pipe/simple/heat_exchanging/junction
+	desc = "An adaptor to transfer gasses between regular pipes and heat transferring ones. It doesn't conduct heat all that well."
 	icon = 'icons/atmos/junction.dmi'
 	icon_state = "intact"
 	pipe_icon = "hejunction"