Filter Recycling
Filter Washer and Filter Shredder for used gas filters: wash them back to 100 % with water or press a new one from four of the same kind.
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Production
The ice crusher in reverse: gas from the pipe becomes pure ice.

The ice crusher in reverse: the Gas Freezer draws gas or liquid from a pipe, cools it below its freezing point and turns it into pure ice. Handy for storing gases compactly, carrying them around or trading them.
Setting to GasType.Oxygen.IC10 can also read Quantity, Temperature, Pressure and Error. Cooling power, intake rate and auto-eject are configurable. Gas that is already cold freezes much faster.
Oxygen, nitrogen and hydrogen ice melt very quickly outside the cold, so put them in a fridge or a silo. The server and all players need the mod.
Full guide: Gas Freezer in the wiki
First release.
Gas on top, liquid at the bottom. The original machine labels both as outputs; on the Gas Freezer they are the inputs.
Filter Washer and Filter Shredder for used gas filters: wash them back to 100 % with water or press a new one from four of the same kind.
Whole ore stacks into ingots in minutes, cast in exactly the amount you want.