Pentair 155101-43 Pleated Cartridge Filter 30 Micron

Product Description

The PENTAIR 155101-43 is a pleated cartridge filter designed to reduce sediment in residential and light commercial water filtration systems. Constructed from non-woven polyester, the pleated media provides an increased surface area that captures particulate matter down to 30 microns. The filter measures 4.5 inches in outside diameter and 9.75 inches in length, sized to fit Big Blue style housings. It is rated for operating pressures up to 10 psi and handles water temperatures ranging from 40 degrees F to 125 degrees F. Plumbers and water treatment technicians install this filter as part of whole-house or point-of-entry sediment reduction systems.

This filter is suited for residential whole-house systems and light commercial plumbing applications where sediment loads such as sand, rust, and scale particles are present. It fits into standard Big Blue filter housings, making it a straightforward drop-in replacement during routine service intervals. Pool and plumbing service professionals commonly use this type of filter ahead of softeners, UV systems, or other treatment equipment to extend downstream component life.

Key Features

• 30-micron pleated filtration media captures sediment including sand, rust, and scale
• Non-woven polyester construction resists degradation in cold and warm water applications
• Pleated design increases media surface area compared to wound or melt-blown alternatives
• Rated for water temperatures from 40 degrees F to 125 degrees F
• Sized for Big Blue style housings at 4.5 inches OD and 9.75 inches length
• Maximum operating pressure of 10 psi

Compatibility

Designed as a drop-in replacement for Big Blue style cartridge filter housings accepting a 4.5-inch OD by 9.75-inch filter cartridge.

Installation Notes

Installation should be performed by a licensed plumber or qualified water treatment technician. Shut off the water supply and relieve system pressure before opening the filter housing. Follow local plumbing codes, including IPC guidelines, when integrating into potable water systems. Do not exceed the rated maximum pressure of 10 psi or operate outside the specified temperature range.