






POOLPURE PWK35B SPA Filter Replaces Hot Springs Limelight Series Spa Filters, Watkins 1642301-1, 78161, 78286, Pleatco PWK35B, Filbur FC-3921, SD-01386, 35 sq. ft. 1PACK
Brand: POOLPURE
Features:
- 【 NSF/ANSI 50 CERTIFIED QUALITY】POOLPURE Spa filters are rigorously tested and certified by IAPMO to meet the NSF/ANSI 50 standard, ensuring dependable performance and crystal-clear water quality for your spa.
- 【SPECIFICATIONS】Length: 14 1/8"; Outer Dimension: 6 3/8 "; Top: 2" open; Bottom: 2" open.Filtration Area:35 sq. ft.; Filter Material: Trilobal Filtration Fabric.
- 【COMPATIBLE MODELS】PWK35B Spa Filter is compatible with Hot Springs Limelight Series, Watkins 1642301-1, 78161, 78286, Pleatco PWK35B, Pure N Clean PC-3921, Filbur FC-3921, Unicel C-6350, Watkins Hot Spring Spas. ★NOTE: POOLPURE is an independent brand offering compatible replacement products that are engineered to meet OEM standards. All original manufacturer names and part numbers are for reference only.
- 【SUPERIOR FILTRATION PERFORMANCE】The advanced Dirt-Locking technology captures over three times more debris than standard filter cartridges, including hair, dust, fine particles, and sediment, ensuring consistently clean, fresh, and crystal-clear pool or spa water.
- 【EFFORTLESS CLEANING】The filter's trilobal fabric structure allows impurities to be released easily during cleaning, keeping the cartridge feeling like new. For optimal performance, clean once a month. ⚠️ Do not backwash — backwashing may cause cracks or permanent damage.
- 【Trusted by 5 Million+ Pool & Spa Owners Worldwide】Trusted by over 5 million+ pool and spa owners worldwide, POOLPURE replacement pool filter cartridges deliver dependable filtration and long-lasting performance, helping keep pool and spa water clean, clear, and refreshing.
- 【PHTA MEMBER – INDUSTRY-TRUSTED PERFORMANCE】 As a proud member of the Pool & Hot Tub Alliance, PoolPure follows industry-recognized filtration standards to deliver superior performance, longer lifespan, and consistently crystal-clear water—so you can buy with confidence.
Binding: Lawn & Patio
model number: PLFPWK35B
Part Number: PWK35B
Package Dimensions: 14.8 x 6.9 x 6.5 inches
Original: $63.48
-65%$63.48
$22.22Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Brand: POOLPURE
Features:
- 【 NSF/ANSI 50 CERTIFIED QUALITY】POOLPURE Spa filters are rigorously tested and certified by IAPMO to meet the NSF/ANSI 50 standard, ensuring dependable performance and crystal-clear water quality for your spa.
- 【SPECIFICATIONS】Length: 14 1/8"; Outer Dimension: 6 3/8 "; Top: 2" open; Bottom: 2" open.Filtration Area:35 sq. ft.; Filter Material: Trilobal Filtration Fabric.
- 【COMPATIBLE MODELS】PWK35B Spa Filter is compatible with Hot Springs Limelight Series, Watkins 1642301-1, 78161, 78286, Pleatco PWK35B, Pure N Clean PC-3921, Filbur FC-3921, Unicel C-6350, Watkins Hot Spring Spas. ★NOTE: POOLPURE is an independent brand offering compatible replacement products that are engineered to meet OEM standards. All original manufacturer names and part numbers are for reference only.
- 【SUPERIOR FILTRATION PERFORMANCE】The advanced Dirt-Locking technology captures over three times more debris than standard filter cartridges, including hair, dust, fine particles, and sediment, ensuring consistently clean, fresh, and crystal-clear pool or spa water.
- 【EFFORTLESS CLEANING】The filter's trilobal fabric structure allows impurities to be released easily during cleaning, keeping the cartridge feeling like new. For optimal performance, clean once a month. ⚠️ Do not backwash — backwashing may cause cracks or permanent damage.
- 【Trusted by 5 Million+ Pool & Spa Owners Worldwide】Trusted by over 5 million+ pool and spa owners worldwide, POOLPURE replacement pool filter cartridges deliver dependable filtration and long-lasting performance, helping keep pool and spa water clean, clear, and refreshing.
- 【PHTA MEMBER – INDUSTRY-TRUSTED PERFORMANCE】 As a proud member of the Pool & Hot Tub Alliance, PoolPure follows industry-recognized filtration standards to deliver superior performance, longer lifespan, and consistently crystal-clear water—so you can buy with confidence.
Binding: Lawn & Patio
model number: PLFPWK35B
Part Number: PWK35B
Package Dimensions: 14.8 x 6.9 x 6.5 inches






















