Deflecto Outdoor Dryer Vent Cover 4-Inch HS4W/18
- 4 inch dryer exhaust cover
- Louvered gravity damper blocks backdraft
- Weather and UV-resistant plastic, white
- Drop-in installation, one piece
- 3.2 oz, one year warranty
Updated 23 days ago · Based on the Amazon listing and published specifications, not hands-on testing.
A white plastic exterior dryer vent hood whose damper closes against backdraft. It is a drop-in replacement for four inch exhaust.
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ASIN: B00R1X7S5YModel: HS4W/18
Overview
A homeowner swapping the exterior hood on a dryer exhaust gets a white plastic cover with a louvered faceplate and a gravity damper. The damper acts as a backdraft preventer for the exhaust opening.
The strength is simplicity: a weather- and UV-resistant plastic hood that drops in without a kit of parts. The caveat is the thin listing, which gives no fit chart for wall thickness or duct style.
Who it's for
A standard exterior wall with a four inch dryer duct is where it belongs. Owners of other duct sizes or non-standard terminations should check dimensions.
Pros and cons
- Louvered damper blocks backdraft
- Weather and UV resistant plastic
- No fit chart for wall thickness
Performance notes
The gravity damper opens when exhaust flows and falls shut when it stops, which blocks backdraft. The UV-resistant plastic faceplate resists weather exposure outdoors.
Specifications
| Brand | Deflecto |
|---|---|
| Model | HS4W/18 |
| Dimensions & fit | |
| Item Weight | 3.2 ounces |
| Size | 4 Inches |
| Power & efficiency | |
| Voltage | 120 volts |
| Construction & materials | |
| Color | White |
| Material | Plastic |
| Compatibility & installation | |
| Installation Method | Drop-In |
| Warranty & support | |
| Warranty Description | ONE YEAR |
| Other details | |
| Shape | shape |
| Style | Dryer Vent Cover |
Frequently asked questions
How do I install the Deflecto HS4W/18?
The listing says drop-in installation and names the vent hood as the included part, but gives no tools or steps.
What size duct does it fit?
It is a four inch vent cover for four inch dryer exhaust applications.
Is it weather resistant?
The description says the plastic is weather and UV resistant, with a durable louvered faceplate.