DI Filter 30" x 4" with ResinNeed a top tier DI filter for your 30" x 4" DI housings? This is the solution. Designed to fit a wide range all 30" x 4" system housings, this one time use DI filter cartridge is filled with premium virgin resin that removes all impurities from your water, leaving it spot free. Dimensions: 4" x 30" Resin Quality: Filled with high grade virgin resin for superior filtration and long lasting performance. Compatibility: Fits all major manufacturers with
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