2510AFB-12, =Nelsen 12x48 Filter Unit, 2510AF-12

Features include Fleck 2510 timer valves without injectors, environmental backplates and covers, 3/4” stainless steel bypass, black polyglass tanks, basket distributors and gravel bed.

• Fully adjustable 5-cycle top mount control delivers controlled up-flow backwash, down-flow brining and slow rinse, rapid rinse, brine refill and downflow service
• Time-tested hydraulically balanced piston, seal and spacer concept to control service flow and regeneration
• Non-corrosive, high-tech material construction
• Excellent flow rates – 19 GPM continuous, 24 GPM peak
• Backwash capacity handles tanks up to 16” diameter for softener applications, 16” diameter for filter applications
• Choice of 7 or 12 day clock, manual or meter initiated regeneration, mechanical or electronic control