Model SMBW Stainless steel tank, 2 in. X 2 in. X 2 in. threaded brass casting with integral Noryl rotary 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 SQFT SMBW 2036 D.E. FILTER WITH BACKWASH VALVE 011546 Regular price: $1,316.00 Sale price: $858.71 47 SQFT SMBW 2048 D.E. FILTER WITH BACKWASH VALVE 011547 Regular price: $1,418.00 Sale price: $949.71 58 SQFT SMBW 2060 D.E. FILTER WITH BACKWASH VALVE 011548 Regular price: $1,640.00 Sale price: $1,099.71 70 SQFT SMBW 2072 D.E. FILTER WITH BACKWASH VALVE 011549 Regular price: $2,106.00 Sale price: $1,318.71 LID REMOVAL TOOL FOR 2000 SERIES D.E. FILTERS 010126 $19.89