Pool Filters Amici offers a wide choice of pool and spa channels that arrive in many plans to keep pools shimmering spotless and solid. We offer diatomaceous earth (D.E.), cartridge and sand channel items. Sta-Rite PXC150 Cartridge Filter Sta-Rite T-200BP-1 Cristal Flo Sand Filter Sta-Rite S7D75 System:3 D.E. Filter