Model SM Stainless steel tank, 2 in. x 2 in. x 1 1/2 in. threaded brass casting without backwash valve. FEATURES: 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 35 SQ FT SM 2036 D.E. FILTER 011541 Regular price: $1,210.00 Sale price: $805.67 47 SQ FT SM 2048 D.E. FILTER 011542 Regular price: $1,314.00 Sale price: $897.71 58 SQ FT SM 2060 D.E. FILTER 011543 Regular price: $1,538.00 Sale price: $1,087.18 LID REMOVAL TOOL FOR 2000 SERIES D.E. FILTERS 010126 $19.89