These are melt-blown or spun polypropylene filter replacements used in standard water purification systems. They serve as the primary pre-filter stage to catch physical particulates like sand, rust, dirt, and silt from entering domestic or industrial water systems.
Key Details & Identification
Material: 100% Polypropylene (PP) fiber.
Function: Removes suspended debris to safeguard downstream water lines and finer filtration stages (like carbon blocks or reverse osmosis membranes).