?     Asked on 6/1/2015by judy shaw

is this for the dolphin deluxe 4 model? and are there replacement filters? what is the size of these filters?
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A  Answered on 6/2/2015 by InyoPools Product Specialist Joe S.

Hi Just the part number you will need is the 9991414-R1
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?     Asked on 4/23/2017by tiffany

My Maytronics pool cleaner only says Dolphin Premiere. Having a hard time figuring which filter kit is for me. I need the whole unit, including the 4 filters. Any help you can offer, or tell me where I should be looking on the machine for more information, woulf be much appreciated! TY, tiffany
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A  Answered on 4/24/2017 by InyoPools Product Specialist Stacey M.

Hello Tiffany, according to the parts list on this unit Maytronics Dolphin Premier there is number 22 DX6 BOTTOM LID CARTRIDGE ASSEMBLY & 4 FILTERS, 5-7/8" TALL (9991414-ASSY) or just filters number 29 SPRING FILTER SCREEN, SET OF 4 - 3295-495.
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?     Asked on 7/15/2017by Leo

I have a Dolphin Endeavor - It appears this is the correct bottom cartridge assembly. Can you verify it's this and NOT the 9991414-ASSY. Thanks!
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A  Answered on 7/15/2017 by InyoPools Product Specialist Alex V.

Leo, The 9991412-ASSY is the correct filter cartridge assembly. 
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?     Asked on 8/19/2017by William

I have a DX3 and a friend let me use his cartridge setup on his DX3S and I let him is my bag setup. He noticed a substantial loss in movement speed and I noticed a great increase so I'd like to convert from the bag filter to the cartridge filter. What do I need to order?
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A  Answered on 8/30/2017 by InyoPools Product Specialist Stacey M.

Hello WIlliam, you would need Dx3 / Dx4 Cartridge Assy & 4 Filters (9991412-assy).
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?     Asked on 9/5/2017by Eric

I have the bag filter on my Maytronics DX-4. Will the unit function better with the filter cartridges? Are the cartriges easy to clean? How long do filters last? Trying to decide if I should switch.
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A  Answered on 9/7/2017 by InyoPools Product Specialist Lennox H.

Hi, Eric. Using the cartridge assembly will allow the cleaner to pick up smaller particles keeping the pool clean. The cartridges are easier to clean and can last 6 months to 1 year depending on use. 
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?     Asked on 5/29/2018by Inyo Visitor

I am thinking about buying this product. I live on a wooded lot, so my pool gets lots of leaves in it. I know this product does well with fine particles but how does it do on picking up larger debris in the pool?
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A  Answered on 5/29/2018 by InyoPools Product Specialist Lennox H.

Hi. This Cartridge Assy will work great with large debris also. 
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?     Asked on 6/23/2018by Bob

I have a Dolphin DLX5 model. Will these cartridges work with my robot? My robot does well with large debris, but very poorly with sand and other small particles. Please advise. Thanks
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A  Answered on 6/26/2018 by InyoPools Product Specialist Lennox H.

Hi, Bob. This Cartridge Assy -  9991412-ASSY will not fit the Dolphin DLX5 model, you will need Part # 9991414-ASSY
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?     Asked on 8/27/2018by Inyo Visitor

Will this work for a Dolphin M3?
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A  Answered on 8/27/2018 by InyoPools Product Specialist Lennox H.

Hi. Yes, this Cartridge Assy w/ Filters - 9991412-ASSY will fit the Dolphin Supreme M3 cleaner. 
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?     Asked on 8/31/2018by Cyndi

Is the Dolphin M3 the same as the Dolphin M3 Supreme?
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A  Answered on 8/31/2018 by InyoPools Product Specialist Lennox H.

Hi, Cyndi. Yes, the Dolphin Supreme M3 is also known as the Dolphin M3. 
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?     Asked on 5/3/2019by Jesse Whittington

I just bought a dx3 that came with the bag filters. Will this fit on that model?
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A  Answered on 5/3/2019 by InyoPools Product Specialist Joe S.

Good day, yes the Cartridge Assembly w/ 4 Filters - 9991412-ASSY will fit the DX3.
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?     Asked on 5/24/2019by Sharyl Jump

We have a 3 year old Dolphin Primal Serial #D56221lSBE that needs new filters....can't find any for this machine. HELP
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A  Answered on 5/24/2019 by InyoPools Product Specialist Lennox H.

Hi, Sharyl. This is the complete Cartridge Assembly for your unit. If you only need the replacement cartridges, you will need P/N 9991407-ASSY (Spring) or 9991422-ASSY (Ultra Fine). 
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?     Asked on 5/28/2019by Johns

Will this fit a dolphin supreme M3
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A  Answered on 5/28/2019 by InyoPools Product Specialist Steve M.

John, the Dolphin Supreme M3 is also known as the Dolphin M3. Yes, the  Maytronics Cartridge Assembly w/ 4 Filters - 9991412-ASSY, will fit your Dolphin M3 Supreme. 
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?     Asked on 6/14/2019by Inyo Visitor

Will this fit dolphin premier?
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A  Answered on 6/14/2019 by InyoPools Product Specialist Lennox H.

Hi. Unfortunately, it will NOT. You will need to use P/N 9991414-ASSY.
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?     Asked on 7/5/2019by Inyo Visitor

Will this fit a dolphin nautilis
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A  Answered on 7/5/2019 by InyoPools Product Specialist Lennox H.

Hi. It will NOT, the correct Cartridge Assembly is P/N 9991414-ASSY.
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?     Asked on 9/29/2019by Janice

will this work with dolphin interactive
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A  Answered on 9/30/2019 by InyoPools Product Specialist Michelle B.

Unfortunately, this will not work with the dolphin interactive.
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?     Asked on 3/17/2020by Kelly-Anne Perrault

Just bought house with pool and the dx3 is not picking up debris - just goes right through the fan on top of machine. We noticed the bag doesn’t fit etc. It looks like we need new parts which I’ve put in my cart but do I or am I missing the cartridge assembly with the 4 filters.

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A  Answered on 3/17/2020 by InyoPools Product Specialist Patrick P.

Hi Kelly-Anne, The cartridges are not mandatory. I have the same cleaner on my pool and I use the bag at the beginning of the season to pick up the large debris and then switch the cartridges during the season to pick up fine debris but if you just want to use the bag that is fine as well.
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?     Asked on 3/4/2022by Rhonda

Hi, Does this fit the Dolphin Premier Robot?
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A  Answered on 3/4/2022 by InyoPools Product Specialist Craig C.

Hello Rhonda.  The Maytronics Cartridge Assembly w/4 filters, part number 9991414-ASSY, is used on the Maytronics Dolphin Premier Robotic Cleaner, 99996329.   Cartridge Assembly w/ 4 Filters, 5-7/8" Height - 9991414-ASSY   The Maytronics Dolphin Ultra Fine Media Kit of 4 Filters Only is part number 9991425-R4.    Ultra Fine Filter Media Kit Of 4 - 9991425-ASSY
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