Jandy DEV Series 48 sq.ft Filter P/N: DEV48 For unsurpassed water clarity choose Jandy Diatomaceous Earth Filters. The Jandy DEV filter's extra large capacity extend cleaning cycles and reduce energy usage. Our easy-grip tank handles make installation and cleaning easy. One-of-a-kind pressure gauge/air release valve with built-in water saving Clean/Dirty indicator accurately tells you when the filter requires cleaning. We offer a choice of 48 or 60 square foot capacity models. Designed to easily connect with other Jandy Products via Jandy's exclusive Versa Plumb system. Easy-grip tank handles Combination pressure gauge/air release valve with Clean/Dirty indicator reduces energy usage Extra large capacity for extended cleaning cycles reduces energy usage Attractive, compact design fits easily into small plumbing configurations Tough, UV and corrosion-resistant, thermoplastic tank Heavy duty, rigid tank clamp Accommodates three types of valves; multiport valves, slide valves and the Jandy NeverLube Backwash Valve Automatic internal air relief Industry standard, curved grid design maximizes surface area FILTER COMES COMPLETE WITH: universal unions, grids combination pressure gauge/air release valve with Clean/Dirty indicator