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Your cart is empty.The Pentek BP-420-1 Filter Bag provides higher productivity with faster bag "change-outs." The bags are manufactured from felt because it can take on a heavy load of solids, in comparison to similar mesh fabrics. The manufacturing process involves multiple steps: layering together the felt material on a screen for support, then finishing it with a glaze for a secure bond. This is a product that can certainly hold its own as it filters dirt and debris.
MsReadIt
September 2, 2025
This thing really works. Had to make a connector to attach to returns on pool. For some reason I am only having to add tablets to keep chemicals balanced. Have only shocked once since putting these on…about 8 weeks in 95 degree days.
mk
August 29, 2025
Had problems with pollen/silt in the bottom of my pool this year. Cartridge filter not able to filter out the smaller microns and I assumed it was blowing it all back into the pool. Attached DANMAR Directional Pool Skimmer Jet Return Nozzle and then cut off the end of this filter to attach to it. Had to rig it to hold with couple of zip ties (cut holes to thread zip tie for tight fit) and clamped the open part- It WORKED!!! I was worried it would build up too much pressure on my pump but didn't raise it much. By the time I finished vacuuming I could see that it was blowing the dirt directly back into my pool like i thought. This filter caught what was blowing back into pool. After vacuuming I disconnected the vacuum and let it run for an hour to catch anything I stirred up then removed it and put regular return eyeball back on. Checked an hour later and the pool was clean- nothing settled back to the bottom. Wish I had discovered this at the beginning of the season, but ready for next year! Well worth the money and will buy more! Very pleased!!
Justin
August 26, 2025
Filtered used motor oil , it moves somewhat slow through it but works great as a mid or final filter Catches alot of debris an contaminates. Lasts for along time to. Ran 15-20 gal through it before needing replacement.Its not what its made for but works great, will buy again
Mary Caron
August 23, 2025
I have a metal frame pool for my kids. I got behind on treatments and the Algae all of a sudden took off and I couldn't keep it under control. I decided to try this experiment. I got a wooden oar and created a whirlpool. It is approx 4500 gallons. I added 4 times the shock they suggest you add every week. I cut the top of the filter off and hose clamped it to my discharge line. I attached it to my pool ladder and covered the pool with the solar cover. I left for 3 days and came back to really clean water. I couldn't believe it. It appears the water level kept going up higher in the bag do to all the filtering. I bought a couple more and plan on using them on the cheap Venturi style pool vacuum I have. 3 days later and we are back in action!
Matthew Holt
July 27, 2025
Fits perfectly, and great product. Shipping on time and good follow up by supplier.
Randy O.
July 15, 2025
I bought this to capture the return on my pool output hose. Since it was advertised as 1 micron , I figured that it would capture the algae as I vacuumed. I went ahead and made a mounting for the opening with an hose adapter. I turned the pump on to vacuum and watched the algae come right out of the filter material. What a waste of time. This filter will not catch algae. I ended up buying those skimmer basket socks and constantly sweeping the pool while the pump is running to keep the algae in suspension so that the sock can catch the algae instead. That’s what ended up working for me.
bobby
June 12, 2025
I put it on my pool and worked great! Only took about 3 days of stirring/ added chemicals the pool to go from green to clear. After everything cleared up i took it off and let the cartridge filter maintain.
ED
April 20, 2025
I found another product that said it was an exact fit. It was not even close this Pentair bag filter, the real deal one micron fit the filter housing perfectly very cost-effective way to filter your water.
Mitchell Kay
March 30, 2025
Great you have this item. I was lucky you had it. Going to use it to filter the sump pump water so my lawn will not be full of 24 weeds.
Thanks
March 15, 2025
works
Customer
March 9, 2025
For the water filtration system on our house as our water source comes out of a natural spring
Sachin B.
February 20, 2025
good product
luc provencher
February 13, 2025
retourné trop cher
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