Pack of 5 micron 93/4 coiled sediment filter cartridges for standard 93/4 or 10 filter holder bowls. Designed for installation on hot or cold water systems, these anti-impurity cartridges effectively filter solid particles and fine organic matter. Features 5 micron 93/4 anti-sediment wound filter cartridges: Economical and durable water filter pack. Strong, resistant mesh construction ensures no fiber residue in water. High temperature resistance. Made in Italy and ACS certified. High-quality wound polypropylene material provides efficient filtration of fine organic impurities. Suitable for use with 9 3/4 and 10 inch filter housings or water purification systems. Ideal for prefiltration before activated carbon or ultrafiltration cartridges in drinking water systems, or for treating rainwater used in irrigation, sanitary systems, or washing machines. Compatible with standard single or double transparent filter housings with brass fittings, sized 1 or 3/4 inch, in standard 93/4 or 10 inch configurations. These coiled filter cartridges should be replaced at least annually. Recommended for use as a prefilter upstream of activated carbon or ultrafiltration cartridges. For optimal performance, use a higher micron filter (such as 20 micron) upstream to prevent premature clogging.