16×65 resin tank 24×50 brine tank 4 cubic feet of high capacity resin 75 lbs 1/4×1/8 gravel support bed 40/57 gpm min/max service flow rate 7 gpm backwash flow rate Space Required 44x24x75 (LxWxH)

18×65 resin tank 24×50 brine tank 5 cubic feet of high capacity resin 100 lbs 1/4×1/8 gravel support bed 50/62 gpm min/max service flow rate 9 gpm backwash flow rate Space Required 46x24x78 (LxWxH)

16×65 resin tank 24×50 brine tank 4 cubic feet of high capacity resin 75 lbs 1/4×1/8 gravel support bed 40/57 gpm min/max service flow rate 7 gpm backwash flow rate Space Required 44x24x75 (LxWxH)

18×65 resin tank 24×50 brine tank 5 cubic feet of high capacity resin 100 lbs 1/4×1/8 gravel support bed 50/62 gpm min/max service flow rate 9 gpm backwash flow rate Space Required 46x24x78 (LxWxH)

24×72 resin tank 30×48 brine tank 10 cubic feet of high capacity resin 100 lbs 1/4×1/8 gravel support bed 150 lbs 1/2×1/4 gravel support bed 60/95 gpm min/max service flow rate 15 gpm backwash flow rate Space Required 58x30x81 (LxWxH)

21×62 resin tank 24×50 brine tank 7 cubic feet of high capacity resin 50 lbs 1/4×1/8 gravel support bed 100 lbs 1/2×1/4 gravel support bed 55/77 gpm min/max service flow rate 12 gpm backwash flow rate Space Required 49x24x74 (LxWxH)

24×72 resin tank 30×48 brine tank 10 cubic feet of high capacity resin 100 lbs 1/4×1/8 gravel support bed 150 lbs 1/2×1/4 gravel support bed 60/95 gpm min/max service flow rate 15 gpm backwash flow rate Space Required 58x30x81 (LxWxH)

21×62 resin tank 24×50 brine tank 7 cubic feet of high capacity resin 50 lbs 1/4×1/8 gravel support bed 100 lbs 1/2×1/4 gravel support bed 55/77 gpm min/max service flow rate 12 gpm backwash flow rate Space Required 49x24x74 (LxWxH)

30×72 resin tank 39×48 brine tank 15 cubic feet of high capacity resin 100 lbs 1/4×1/8 gravel support bed 250 lbs 1/2×1/4 gravel support bed 75/120 gpm min/max service flow rate 25 gpm backwash flow rate Space Required 73x39x88 (LxWxH)

30×72 resin tank 39×48 brine tank 15 cubic feet of high capacity resin 100 lbs 1/4×1/8 gravel support bed 250 lbs 1/2×1/4 gravel support bed 75/120 gpm min/max service flow rate 25 gpm backwash flow rate Space Required 73x39x88 (LxWxH)

36×72 resin tank 50×60 brine tank 20 cubic feet of high capacity resin 150 lbs 1/4×1/8 gravel support bed 350 lbs 1/2×1/4 gravel support bed 100/140 gpm min/max service flow rate 35 gpm backwash flow rate Space Required 82x42x95 (LxWxH)

36×72 resin tank 50×60 brine tank 20 cubic feet of high capacity resin 150 lbs 1/4×1/8 gravel support bed 350 lbs 1/2×1/4 gravel support bed 100/140 gpm min/max service flow rate 35 gpm backwash flow rate Space Required 82x42x95 (LxWxH)