Pentair 72 Sq. Ft. SMBW 2000 Diatomaceous Earth (D.E.) Filter W/Backwash Valve - 011549
72 Sq. Ft. SMBW 2000 Diatomaceous Earth (D.E.) Filter W/Backwash Valve Model SM Stainless steel tank, 2 in. x 2 in. x 1 1/2 in. threaded brass casting without backwash valve. Model SMBW Stainless steel tank, 2 in. X 2 in. X 2 in. threaded brass casting with integral Noryl rotary backwash valve. Maximum Operating Pressure 50 psi. Corrosion-resistant 18 in. tank for strength and durability. Unique Spiro-Mite grid design provides high efficiency filtration and longer filter cycles. Exclusive clamp ring design is proven to be safe, strong and reliable. It allows for quick and easy access to internal components. 2 in. plumbing connections allow for maximum flow. Tank Diameter : 18" Filter Area: 70 sq. ft. Weight : 97lbs. D.E. Required : 7.2 lbs. Flow Rate : 140 GPM 6 hour Turnover Capacity (Gallons) : 50,400 8 hour Turnover Capacity (Gallons) : 67,200 12 hour Turnover Capacity (Gallons) : 100,800