Sporlan C-032-S 1/4" Sweat Catch All Filter Drier. The Catch-All Filter-Drier is a special filter designed to remove moisture from the refrigerant by adsorbing and retaining moisture that was in the system. The Sporlan C-032-S 1/4" Sweat Catch All Filter Drier is specially formulated for moisture removal in HVAC Units. This Catch-All Filter Drier is designed to be installed in the suction line just ahead of the compressor. The 32-S indicates an ODF solder fitting.