Unicel 4CH-21 | 19 sq ft Saratoga & Vita Spa Filter Brand_Vermont Castings If you have a salt-system

If you have a salt-system pool

The Small Big Green Egg is often used as a companion for the 2XL

1 x DuraVent 46DVA-IS Attic Insulation Shield

Ooni: Cooking with Fire

Scan mode records an area’s min and max temperatures for ultimate accuracy

Unicel 4CH-21 | 19 sq ft Saratoga & Vita Spa Filter Brand_Vermont Castings If you have a salt-systemThe Unicel 4CH 21 is a compact 19 square foot top load replacement cartridge for Saratoga, Vita, Dream Maker, and several other spa brands, replacing OEM part numbers 20245 238 and PVT 25N. At just 8" tall and 4 5 8" across, it is one of the smaller cartridges in the top load family and it packs 158 pleats into that short body, a genuinely dense fold count for its size. The bottom carries a 1 1 2" male pipe thread that screws directly onto the suction