2-Pack PWW50L 4CH-949 Fixed-Handle Hot Tub Filter, Pro Series

About this item

• Confirmed Compatibility: Compatible with select Cal Spas, Master Spas, Dynasty Spas and Waterway Teleweir 50 hot tub systems using PWW50L, 4CH-949 or FC-0172 cartridges. Verify the spa year and original filter.
• Part Number & Version Check: Replaces PWW50L, 4CH-949, FC-0172, 817-4050, Cal Spa FIL11100208 and Darlly 42522. Not compatible with MPT-threaded filters or open-ended filter cartridges.
• Size & Connection Verification: Measures 13-1/2 in. long x 5 in. OD with an integrated top handle and 2 in. internal coarse bottom thread. Confirm the fixed handle, overall length and thread profile.
• 3 oz/sq yd Pro Trilobal Media: Three-lobed polyester fibers help capture fine dirt and hot tub debris while supporting steady flow. An internal support core and evenly spaced pleats help maintain shape during filtration and rinsing.
• Routine Care & 2-Pack: Turn off power before removing the cartridge. Rinse gently between pleats and follow the hot tub manual. Confirm whether your system uses one or two fixed-handle cartridges.