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sunsun canister filter hw303a/hw303b sealing rubber ring: reliable marine color essential logo

Sunsun Canister Filter HW303A/HW303B Sealing Rubber Ring: Reliable Marine Color Essential Review

4

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Very good

Revainrating 4 out of 5  
Rating 
4.0
🐠 Aquarium Pumps & Filters, 🐠 Fish & Aquatic Pets

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Description of Sunsun Canister Filter HW303A/HW303B Sealing Rubber Ring: Reliable Marine Color Essential

sunsun HW302 402A 402B 702A 702B sealing ring. sunsun HW303A 303B 403A 403B 703A 703B sealing ring. sunsun HW304A 304B 404A 404B 704A 704B sealing ring. sunsun HW602 HW602B sealing ring. from sunsun company direct.

Reviews

Global ratings 4
  • 5
    3
  • 4
    0
  • 3
    0
  • 2
    0
  • 1
    1

Type of review

Revainrating 5 out of 5

Does not fit HW-3000

Does not fit HW-3000 as the seller says. It's the same length but not the thickness. Didn't seal anything, water leaked out.

Pros
  • Sturdy construction
Cons
  • Vulgarity

Revainrating 5 out of 5

suitable for aquarium pumps and filters

My filter didn't work very well after years of use. The filter did not close well, the filter sucked in air. O-ring replaced, filter works.

Pros
  • Certified
Cons
  • Can't remember but something happened

Revainrating 1 out of 5

Great as a Gasket Replacement

Great for replacing an existing old gasket that has started to leak. Be sure to apply some fish safe lube when installing to ensure a proper seal.

Pros
  • Permanent Test Results
Cons
  • -

Revainrating 5 out of 5

Does not fit 304B Sunsun

According to the description it fits Sunsun 304b! That is not right. It flows like crazy. Took it off and saw the size difference. Very disappointed as I bought two, one to replace the o ring on a 304b for maintenance and one as a spare.

Pros
  • Stylish and modern design
Cons
  • Low repairability