★★★★★ 5
excellent product
Size: 1.9" x 9.9" x 11.4"
easy to install
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 21, 2026
Waterway 550-4310 Crystal DE Filter Grid Support Assembly - 26" PVC Shaft, 48 sq. ft.
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Waterway 550-4310 Crystal DE Filter Grid Support Assembly - 26" PVC Shaft, 48 sq. ft.The OEM Waterway DE Grid Support Assembly serves as a critical structural backbone within the Crystal DE Filter system, featuring a sturdy 26 inch PVC shaft engineered to deliver peak performance for filters rated up to 48 square feet. Part number 550 4310 is precision manufactured to promote uniform distribution of diatomaceous earth across the filtration grid, which directly translates to clearer, cleaner pool water. This assembly is purpose built
Quick Dispatch:
Your Waterway 550-4310 Crystal DE Filter Grid Support Assembly - 26" PVC Shaft, 48 sq. ft. orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.8 ★★★★★
Based on 993 reviews
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Product Reviews
★★★★★ 5
Great purchase!
Size: 1.9" x 9.9" x 11.4"
This has worked out quite well. I have had it since 2023 and have been cleaned thru about 6 maintenance schedules. It's been 2 yrs and it's in great shape. Worth every penny.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 21, 2025
★★★★★ 4
Really filters the cabin air
Size: 1.9" x 9.9" x 11.4"
K&N filters are always a cut above. Can’t say the same for service/support after the sale.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 31, 2026
★★★★★ 5
quick and easy fit
Size: 1.9" x 9.9" x 11.4"
Instructions made it a very quick and easy fit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 17, 2026
★★★★★ 5
Nice air filter
Replaced my K&N filter with this KAX filter. Same performance and better mileage.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 13, 2024
