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The PARKER 39R30A is a string-wound cartridge filter designed for plumbing and water filtration applications requiring fine particulate removal. Built with a cotton winding over a polypropylene core, this filter captures particles down to 1 micron, making it well-suited for sediment control in potable water systems and process water lines. The cartridge measures 2.5 inches in outside diameter and 30 inches in length, fitting standard industry housings. The cotton media carries an FDA-grade material rating, supporting use in food-grade and drinking water applications. Licensed plumbers and filtration technicians are the primary installers of this type of cartridge.
This filter is used in residential and light commercial plumbing systems where high-efficiency sediment filtration is required. Typical applications include whole-house sediment filtration, pre-filtration ahead of reverse osmosis or softening equipment, and process water pre-treatment. The string-wound construction provides depth filtration, trapping particles throughout the media rather than only at the surface, which extends service intervals in moderate-sediment environments. Maximum working temperature is 120 degrees F, keeping it within the range of standard cold and tempered water service.
Designed as an OEM-style replacement cartridge for standard 2.5 inch OD, 30 inch length string-wound filter housings used in residential and commercial plumbing filtration systems.
Installation is performed by licensed plumbers or qualified filtration technicians. Shut off the water supply and relieve line pressure before opening the filter housing. Inspect the housing O-ring and sump for wear or cracking during each cartridge replacement. Follow applicable IPC guidelines for potable water filtration system installations and verify housing pressure ratings are not exceeded in service.
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