Pentair 074923 18-Inch Element Replacement SM and SMBW Pool and Spa D.E. Filter carpet-care Powder-coated galvanized metal construction

Powder-coated galvanized metal construction

If the pH levels start to drop to low then the water will become corrosive and irritate bather skin or it could damage the spa equipment if gone untreated

having been tested with over one million pulls

Red hose carries fuel gases

Pentair 074923 18-Inch Element Replacement SM and SMBW Pool and Spa D.E. Filter carpet-care Powder-coated galvanized metal constructionPentair 074923 18 Inch Element Replacement SM and SMBW Pool and Spa D. E. Filter Element replacement Fits Pentair SM & SMBW 4000 series D. E. pool and spa filter model 4036 Also fits Pentair SM & SMBW 2000 series D. E. pool and spa filter model 2036 The SM and SMBW 2000 & 4000 DE Filters require 8 Elements One element, 8 elements are required to make a set