UNICEL POSI-FLO CARTRIDGE 135 SQ FT - UHD-SR135

SKU: UHD-SR135
Regular price $101.28

Available for pickup at

  • MT Pool Distributor Broward (17) in stock
  • MT Pool Distributor Corporate (3) in stock
  • MT Pool Distributor North (18) in stock
  • MT Pool Distributor South (4) in stock
In stock

The Unicel UHD-SR135 Posi-Flo replacement cartridge delivers professional-grade filtration performance that pool contractors trust for commercial and high-volume residential installations. With 135 square feet of filtration surface area and 195 precision pleats, this cartridge ensures crystal-clear water quality while reducing maintenance frequency for your clients.

Commercial Performance Benefits

Engineered with spun bonded 100% polyester material, this cartridge captures debris more effectively than standard filters while maintaining optimal flow rates. The 4 oz. media construction provides extended service life, reducing replacement costs and service calls. Compatible exclusively with stainless steel tanks, it ensures secure installation and prevents costly system failures.

Why Pool Professionals Choose MT Pools

As your trusted B2B partner, MT Pools provides wholesale pricing on quality filtration products with the superior customer service you need to keep projects on schedule. Our daily recurring customer support ensures you have reliable access to essential replacement parts when your clients need them most.

Frequently Asked Questions

Does the UHD-SR135 replace the discontinued Sta-Rite WC108-59S2X?

Yes, the Unicel UHD-SR135 is the direct replacement for the discontinued Sta-Rite cartridge filter WC108-59S2X, designed specifically for T-135TX Posi-Flo systems.

What are the exact dimensions for installation planning?

The UHD-SR135 measures 34-1/2 inches in length with an 8-11/16" outer diameter and 4-3/16" inner diameter with 12 concentric slots for secure fitting.

Is this cartridge compatible with all Posi-Flo systems?

The UHD-SR135 is designed specifically for stainless steel tanks and Sta-Rite T-135TX Posi-Flo filter systems only. Verify compatibility before installation.

Does MT Pools offer bulk pricing for service companies?

Yes, MT Pools provides competitive B2B wholesale pricing for pool service companies and contractors with volume discounts available for bulk orders.

Order Your Replacement Cartridges Today

Keep your filtration systems running at peak performance with reliable Unicel replacement cartridges from MT Pools. Contact our team for bulk pricing and technical support.

• 135 square feet of filtration surface area for maximum debris capture
• 195 precision pleats for enhanced filtration efficiency
• Spun bonded 100% polyester construction with 4 oz. media
• Blue top and orange bottom end caps for easy identification
• 34-1/2" length x 8-11/16" outer diameter dimensions
• 4-3/16" inner diameter with 12 concentric slots
• Direct replacement for discontinued Sta-Rite WC108-59S2X
• Compatible with Sta-Rite T-135TX Posi-Flo filter systems
• Designed exclusively for stainless steel tank installations
• Extended service life reduces maintenance frequency
• Professional-grade construction for commercial applications
• Easy installation with secure, leak-proof fit