Shields Vinylvent 400/402 Bilge Ventilation Duct Hose
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Shields Vinylvent duct hose for marine bilge ventilation. Flexible PVC is supported by an anodized wire helix and resists UV and ozone exposure. Series 400 is white; Series 402 is black.
Select the inside diameter, color and supplied length. Each purchase is one complete length shown below; prices are not per foot.
| SKU | Series / color | Inside diameter | Supplied length |
|---|---|---|---|
| 88-4003000 | 400 / White | 3 in | 50 ft |
| 88-40030031 | 400 / White | 3 in | 10 ft |
| 88-4004000 | 400 / White | 4 in | 50 ft |
| 88-40040031 | 400 / White | 4 in | 10 ft |
| 88-4023000 | 402 / Black | 3 in | 50 ft |
| 88-4024000 | 402 / Black | 4 in | 50 ft |
This is ventilation ducting, not a fuel, water-supply or wet-exhaust hose. Match the blower/vent connections and the vessel’s installation requirements. No complete-system compliance or airflow rating is implied.
The close-up photographs illustrate the correct white or black duct construction; they do not show the full supplied length or establish diameter by scale. Only the listed configurations are offered on this page.
Canadian supplier catalogue: exact selling lengths and units
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.