![]() I have purchased from them before and they were extremely helpful on a previous pump purchase where we had to sort out some damage caused by UPS. Measures 18-inch length by 34-1/2-inch height by 17-1/2-inch width. The Complete Grid Assembly is pre-assembled including the top manifold, bottom manifold, eight 30 grids and tie rods. Polytec was excellent and prompt, and their pricing was competitive. The Pentair 59023300 Complete Grid Assembly is designed to use with Pentair 60-square feet FNS Plus pool and spa D.E. Perhaps Pentair might consider including a DE scoop with their filters, perhaps molded plastic helpfully imprinted with filter sq ft and qty of scoops to use? of scoops with a 1-lb coffee can, a purchase size that is rare if not non-existent in today's supermarket. The new manual attempts to be helpful by stating the amount of DE to use as no. In comparing the old and new operating manuals one difference noted is that the NS manual recommended backwash after 7-10 psi increase from clean whereas the new one states 10-12 psi. The filter seems to be working every bit as well as the previous. Only dimensional adjustment was to insert an 18" square of cement board to account for the shorter skirt. Needless to say, confirmed before purchase that the connections were still 7.5" c/c so matched up with our existing multiport valve. ![]() Installed quickly in place of our old Pentair/ Nautilus/ Pac-Fab NS72 filter for which parts support has been mostly discontinued by Pentair. Shipped on a pallet by commercial trucking firm, which is highly recommended versus FedEx or UPS as our new Pentair FNSP60 arrived completely intact and undamaged. Unicel Filter Guide 074922 - 12 inch Pentair Purex. Or browse the UNICEL Product Cross Reference Guide to help you find what you need. For example, FNS Plus 48, Hayward ProGrid, 60, 24', or DEX3600DC. TENSION CONTROL* clamp for secure tank closure. Enter a key word such as DE filter model, square feet, grid length or filter part number.Curved vertical grids provide maximum filter surface area for better cleaning.Compatible with all sanitizing chemicals.Unique internal design ensures optimal filtration and backwashing efficiency for longer runs between cleanings.Conveniently located 1-1/2" drain for easy and efficient cleanout.HIFLOW* manual air relief valve and continuous internal air relief eliminate air buildup from tank to maintain efficient filtration and prevent over-pressurization.Easily removable filter grid pack is secured by a single nut to simplify maintenance.Attractive almond-colored tank blends into any backyard environment.Chemical-resistant fiberglass-reinforced polypropylene tank for exceptional strength and long life.And because they're designed to extend the time between cleanings, you can spend more time enjoying your pool instead of maintaining it. filter, you'll enjoy sparkling clear water from the most effective filtration system you can buy. The FNS PLUS filter's time-tested design offers you maximum performance, convenience, and reliability for year after year of sparkling clear pool enjoyment. CMP Brilliant Wonders Nicheless LED Lights.
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