Unicel UHD-SR70 cartridge with 72 sq ft filtration area for clearer pool water
Unicel UHD-SR70 showing 195 pleats for efficient debris capture
Unicel UHD-SR70 4-ounce media for durable, chemical-resistant filtration
Unicel UHD-SR70 pleat folds maintain consistent water flow
Unicel UHD-SR70 end-cap design for easy removal and replacement
Unicel UHD-SR70 bottom slots provide media support and durability
Unicel UHD-SR70 fits Sta-Rite Posi-Flo systems for easy upgrades
Unicel UHD-SR70 outer diameter 8-11/16 inches for a snug fit
Unicel UHD-SR70 length 18-3/16 inches supports standard pool installations

Unicel

Unicel UHD-SR70 72 sq ft Pool Filter Cartridge – 4 oz Media, Sta-Rite Posi-Flo Compatible

High-performance patio lawn and garden made for confident daily results

$92.03

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Why customers choose PatioZora Garden

Overview

The Unicel UHD-SR70 is a high-capacity replacement cartridge designed for Sta-Rite Posi-Flo pools. It blends a generous filtration area with precise pleat geometry to help keep your water clear and inviting with less frequent maintenance.

Key benefits at a glance

  • 72 square feet of filtration area delivers substantial dirt-holding capacity for busy pools.
  • 195 pleats optimize water flow while maximizing debris capture for consistent clarity.
  • 4-ounce basis weight media balances dirt-holding with cleanability and long-term durability.
  • Filtration can extend to particles down to around 20 microns to reduce visible cloudiness.
  • Pleat bands help maintain spacing, reduce flutter, and sustain efficiency under use.

Filtration media and performance

Constructed from 100-percent polyester Reemay material, the UHD-SR70 balances dirt-holding capacity, cleanability, and durability with strong chemical resistance. This combination supports solid filtration performance across typical pool chemistries without compromising material integrity.

  • Polyester Reemay offers reliable chemical resistance and sustained filtration performance.
  • Sharp, uniform pleat folds promote steady water flow and efficient debris capture.
  • Pleat bands help maintain spacing, reduce flutter, and sustain efficiency during cycles.

Durability and design details

End caps feature a blue top with an orange bottom and an open configuration for easy cartridge removal and replacement. The bottom includes 12 concentric slots to support the media and improve rigidity during operation.

  • End cap geometry simplifies handling during routine maintenance.
  • Bottom slots provide structural support and long-term durability.

Fitment and technical specs

Designed to fit Sta-Rite 70TX, 70GPM-TX, 70TXR, T-70TX, T-70TXR, and PTM70 systems. Outer diameter is 8-11/16 inches and length is 18-3/16 inches, confirming a snug, compatible replacement for many pool setups.

  • OD: 8-11/16 inches; Length: 18-3/16 inches.
  • Compatibility covers common Sta-Rite Posi-Flo configurations for easy upgrades.

Practical use and maintenance tips

With the UHD-SR70, pool owners may experience smoother maintenance routines and steadier flow, especially after routine cleaning cycles. Regular inspection and timely replacement help keep pump performance aligned with your pool’s needs.

FAQ

Q: Is the Unicel UHD-SR70 compatible with Sta-Rite Posi-Flo systems?

A: Yes. It fits Sta-Rite Posi-Flo models including 70TX, 70GPM-TX, 70TXR, T-70TX, T-70TXR, and PTM70.

Q: What filtration performance does the UHD-SR70 offer?

A: It provides a 72 sq ft filtration area with 195 pleats and 4 oz media, capturing debris down to about 20 microns.

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