Description
HF4335-01 Advanced Spa Filter Cartridge Replacement for Pleatco PRB35-IN
HF4335-01 is a reliable upgrade for 35-inch spa filter housings, engineered to drop into common replacements with confidence. The cartridge is 9.25 inches long and 5 inches in outer diameter, with 2.125-inch top and bottom mounting holes, ensuring a snug, fit-for-purpose replacement. Made in the USA, this filter features exclusive turquoise end caps for quick identification and durability in demanding spa environments. It is designed to replace Pleatco PRB35-IN, Unicel C-4335, Filbur FC-2385, Dynamic Series IV (DFM/DFML), Waterway 35 In-Line, Guardian 409-219, and other compatible models.
Section: List of Features
- Exact fit for popular replacements — compatible with Pleatco PRB35-IN, Unicel C-4335, Filbur FC-2385, Dynamic Series IV DFML/DFM, Waterway 35 In-Line, Guardian 409-219, and more.
- Precise dimensions — 9.25" in length, 5" outer diameter, 2.125" top and bottom holes for reliable mounting.
- Advanced point-bond media — tighter filtration than trilobal or classic nonwoven media, capturing dirt, debris, and biomass.
- Durable build with MAX FLOW core — end caps and core design support higher flow and longer life.
- Made in the USA — domestically produced with distinctive turquoise end caps for easy recognition.
- Cost-effective maintenance — longer service life and easier cleaning help reduce seasonal filter replacements.
Final Thoughts
Upgrade to HF4335-01 for a dependable spa filtration solution that fits a broad range of 35-inch systems. With precise dimensions, robust media, and USA manufacturing, you’ll enjoy clearer water and simpler maintenance. Ready to improve your spa experience? Add to cart and experience the value today.








