PENTAIR UNICEL CARTRIDGE- POSIFLO II - WC108-58S2X

SKU: WC108-58S2X
Regular price $109.39

The Pentair Unicel WC108-58S2X (UHD-SR100) replacement filter cartridge delivers professional-grade filtration performance for pool contractors servicing Sta-Rite Posi-Flo II systems. With 100 square feet of filtration area and 195 precision pleats, this cartridge ensures optimal water clarity and extended service intervals for your commercial and residential pool maintenance routes.

Commercial Service Benefits

Built with 100% polyester Reemay material, this filter cartridge offers superior dirt-holding capacity and chemical resistance, reducing callback visits and extending service intervals. The sharp, uniform pleat folds maximize water flow while minimizing pressure loss, helping contractors maintain optimal system performance and reduce energy costs for clients.

Why Pool Contractors Choose MT Pools

MT Pools understands the demands of pool service professionals. Our wholesale pricing structure protects your profit margins while our reliable inventory ensures you have the replacement cartridges needed to keep client pools running smoothly. With superior customer service and daily recurring customer support, we're your trusted B2B partner.

Frequently Asked Questions

Which Sta-Rite models is the WC108-58S2X compatible with?

The WC108-58S2X is compatible with Sta-Rite Posi-Flo TX/TXR/PTM 100, 100TX, 100GPM-TX, 100TXR, T-100TX, T-100TXR, and PTM100 filter systems.

How often should contractors replace these filter cartridges?

Replace when cleaning cycles shorten, water flow decreases, pressure increases, or when media tears or core collapses. Proper maintenance extends cartridge life significantly.

Does MT Pools offer bulk pricing for service companies?

Yes, MT Pools provides competitive bulk pricing for pool service companies and contractors, with superior customer service and reliable inventory management.

What makes the Reemay material superior for commercial use?

The 100% polyester Reemay material offers excellent chemical resistance, superior dirt-holding capacity, and enhanced cleanability, making it ideal for demanding commercial pool applications.

Order Today

Stock up on professional-grade Pentair Unicel filter cartridges and keep your service routes running efficiently. Contact MT Pools for bulk pricing and expert technical support that helps grow your pool service business.

• 100 square feet of filtration area with 195 precision pleats
• Compatible with Sta-Rite Posi-Flo TX/TXR/PTM 100 series filters
• 100% polyester Reemay material for superior chemical resistance
• 25-11/16" length with 8-11/16" outside diameter
• Durable plastic end caps with blue top and orange bottom
• 12 concentric slots for optimal water flow
• 4-ounce basis weight media for extended service life
• Sharp, uniform pleat folds minimize pressure loss
• Pleat bands maintain spacing and reduce flutter
• OEM replacement for WC108-58S2X specifications
• Cross-references: Unicel UHD-SR100, Filbur FC-2550, Pleatco PSR100
• Recommended for approximately 1,000 gallon in-ground pools
• Excellent dirt-holding capacity reduces maintenance frequency
• Chemical resistant construction for commercial applications