Compatibility: The type S1 spa filter is compatible with for all 28429E, 28403E, 28407E, 28443E, 28453E, 28421E, 28423E, 28413E, and 28453E, 11692, SB-h10, JPC01; for : 29001000000 B01DEMGBAI, 29001E B00PUZW3N2, B01HMXBDGM Easy To Clean: Our type S1 replacement spa filters feature extra-durable plastic.our spa filters for hot tubs are so easy to clean,so you can reuse them again and again.Enjoy clean in your pool. : The type S1 spa filters for pool adopts a densely trilobal structure fabric that captures 3x more contaminants than regular fabric. sturdy end are not deformed and are highly resistant to Chlorine commonly found in pool. Open polypropylene flow core supports the filter fabric and maximizes water flow, greatly reduces the time and frequency of your filter cleaning. Great Filtration Performance: Dense pleating structure provides larger filtration area than the common filters with the same size and make the filtration higher efficient. It can effectively reduce hair, leaves, dust, sediment, sand, rust and particles. The type S1 filter is committed to keeping your pool water and give your swimming pool pump its best performance. Easy to clean: It is recommended that you replace the type S1 spa filter cartridges every 2 weeks to maximize your spa's performance. Warm Tips: To avoid corrosion, please take the filter out before cleaning with disinfectant. Colour:White & Blue Material:plastic Size:Height:74mm, Diameter:106mm, Inner diameter:43mm Package Contents: 9 * SPA Pool Filters Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.