Deflecto Dryer Vent Hood
- 4 inch duct size, wide mouth
- Wall mount, ducted/vented
- Weather resistant plastic
- White, 0.54 lb
- Flapper hood, genuine replacement part
Last refreshed Jun 15, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A plain plastic wall hood that finishes a dryer duct on the outside of a house. It is a replacement part, and the listing gives no usable outer dimensions.
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ASIN: B00DM8L178Model: RVHAW4Category: Dryer Vents
Overview
Venting dryer exhaust outside through a wall is what this wide mouth hood is built for. A hinged flapper lifts with the airflow and drops shut after, and the white plastic body is weather resistant.
A direct replacement for a cracked or missing hood restores the outside exit and blocks drafts. The limit is detail: the dimension field in the listing reads as placeholder values.
Who it's for
Renters and homeowners with a standard wall exit and a matching duct can swap the hood quickly. People with larger ducts or a rooftop vent need a different part.
Pros and cons
- Wide mouth exhaust opening
- Weather resistant plastic
- Wall mount design
- Flapper closes when idle
- Plastic, not metal
- Outer dimensions not usable in listing
- Wall mount only
Performance notes
Exhaust air pushes the flapper open while the dryer runs, and gravity closes it afterward to block drafts and pests. A wide mouth lowers airflow restriction compared with a narrow outlet. Lint buildup on the flapper is the most common cause of poor venting.
Specifications
| Brand | Deflecto |
|---|---|
| Model | RVHAW4 |
| Dimensions & fit | |
| Duct size | 4 inches |
| Item weight | 0.54 pounds |
| Construction & materials | |
| Material Type | Plastic |
| Color | White |
| Compatibility & installation | |
| Mounting Type | Wall mount |
| Other details | |
| Ventilation Type | Ducted/vented |
| Additional Features | Weather resistant |
Closest rivals on specs
Westland VID403AC Deluxe Dryer Vent Kit- Item Weight 0.54 vs 1.2 pounds (-55%)
Westland VID403A Deluxe Dryer Vent Kit- Item Weight 0.54 vs 1.4 pounds (-61%)
Frequently asked questions
Can the Deflecto RVHAW4 mount on a roof?
No. The listing gives the mounting type as wall mount.
Is the Deflecto RVHAW4 a genuine replacement part?
Yes. The description calls it a genuine replacement dryer flapper vent hood.
Is the Deflecto RVHAW4 smart home compatible?
No. The listing marks it as not smart home compatible, and it is a passive vent hood.