The Unicel UHD-SR137 Filter Cartridge is a high-performance replacement filter designed for Sta-Rite pool filters, including models 135TX, 135GPM-TX, 135TXR, and PTM-135. With a filtration area of 137 square feet, this cartridge is constructed with durable Reemay polyester material, which efficiently captures debris while maintaining optimal water clarity. Measuring 31-1/4" inches in length and 8-11/16 inches in diameter, the filter features an open-top and bottom end cap of 4-3/16" with 12 concentric slots, making it easy to install and compatible with various Sta-Rite filters. This Unicel filter has a pleat count of 216 and is known for its long-lasting durability, ensuring efficient filtration for an extended period.

• Designed for Sta-Rite pool filters: The Unicel UHD-SR137 Filter Cartridge is a high-performance replacement filter compatible with Sta-Rite models 135TX, 135GPM-TX, 135TXR, and PTM-135, ensuring a perfect fit for these systems.

• Large filtration area for optimal clarity: With a 137 square foot filtration area, this cartridge efficiently captures dirt and debris, maintaining crystal-clear pool water while reducing the need for frequent cleanings.

• Durable Reemay polyester construction: Made from high-quality Reemay polyester material, the cartridge ensures long-lasting performance, effectively handling heavy debris loads while maintaining consistent filtration efficiency.

• Easy installation with versatile design: Measuring 31-1/4" in length and 8-11/16" in diameter, it features 4-3/16" open-top and bottom end caps with 12 concentric slots, making it simple to install in various Sta-Rite filter systems.

• High pleat count for extended lifespan: With 216 pleats, this Unicel filter cartridge offers increased surface area for debris capture, extending its lifespan and reducing maintenance for pool owners.

• (1)ÊUnicel UHD-SR137 Cartridge

• Pentair Sta-Rite Filter Models:Ê135TX, 135GPM-TX, 135TXR, and PTM-135

Note: This cartridge may be compatible with your filter, please refer to your owners manual to ensure compatibility.