Overview Keep your pool water glassy clear with the Poolzilla Universal Grid Set, a complete 48 square foot DE filter replacement kit that includes seven full-size grids and one partial grid — everything you need to refresh your diatomaceous earth filter in a single box. DE filters deliver the finest filtration available for residential pools, trapping particles as small as 5 microns (think pollen, sunscreen residue, even some algae spores) for water that looks almost too clean to be real. Each grid in this set features a durable polyester fabric stretched over a rigid plastic frame, designed to hold a fresh coat of DE powder evenly across the entire surface. The result is maximum filtration area, longer cycles between cleanings, and the kind of sparkling water that makes the neighbors ask what your secret is. DE grids typically last two to three years with proper care, but if your water has been struggling to clear, your pressure climbs quickly after a backwash, or you've spotted DE powder blowing back into the pool, those are clear signs it's time for a fresh set. Replacing all the grids at once (rather than one at a time) keeps filtration even and prevents the weak-link effect of mixing old and new media. Installation is straightforward: open the filter housing, lift out the manifold assembly, swap the old grids for your new Poolzilla set, reassemble, and recharge with DE powder — most pool owners finish the job in under an hour. Order your Universal Grid Set today and get ahead of swim season, so when the weather warms up, your pool is ready before the first cannonball. What's Included Your order includes the selected quantity of DE filter grid sets. Each unit is individually inspected for quality before shipping.
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