Input/Output valve adapter for HW-303B, 403B, 703B
$4.99
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Product details
Product details
Input/Output valve adapter for HW-303B, 403B, 703B is a plumbing and fitting replacement piece intended to work with SUNSUN HW-303B, HW-403B, and HW-703B filter systems. It functions as the adapter that allows the unit’s input/output valve connections to be properly matched to the plumbing arrangement you have in your aquarium setup. If the original adapter has been lost, damaged, or needs to be refreshed as part of maintenance, this part is designed to restore correct fitment for those specific SUNSUN models.
Features:
- Replacement part intended for factory-style fitment
- Designed to work with SUNSUN HW-303B, 403B, and 703B filter plumbing connections
- Helps ensure the input/output valve area can be correctly connected to your aquarium tubing or plumbing layout
- A practical option when you need a specific adapter rather than replacing an entire filter unit
- Category: Plumbing & Fittings, suitable for maintaining existing aquarium filter installations
Specifications:
- Compatible equipment: SUNSUN HW-303B, HW-403B, HW-703B




