JNDY 340sqft CL Series Cartridge Filter Jandy CL Series cartridge filters are simple to use and maintain. Our cartridge filters provide extra large capacity for extended cleaning cycles. Handy tank lid handles make installation and cleaning easy. Our proprietary combination pressure gauge/air release valve with built in Clean/Dirty indicator accurately tells you when the filter requires cleaning. We offer a choice of 340, 460, and 580 square foot capacity models. Easy-grip tank handles Combination pressure gauge/air release valve with Clean/Dirty indicator Extra large capacity for extended cleaning cycles Heavy duty, rigid tank clamp Attractive, compact design fits easily into small plumbing configurations Tough UV and corrosion-resistant, thermoplastic tank Automatic internal air relief FILTER COMES COMPLETE WITH:bulkhead unions, cartridges and combination pressure gauge/air release valve with Clean/Dirty indicator