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Ships within 48 hours · Estimated delivery Jul 18 - Jul 23
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Description
3 in. to 4 in. Roof Vent Kit for Round Duct Steel in BlackThe RVK1A Steel Roof Cap Kit is an easy to install vent for ventilation fans (bath, rec room, home gym, etc.). It is compatible with 3" or 4" ductwork and includes a 3" to 4" adapter for convenience. This cap features both a back draft damper and bird screen, preventing outside air from entering the home and birds and small pests from entering duct work. This kit includes all materials needed for installation, including 8 ft. of 4" flexible ducting,
The RVK1A Steel Roof Cap Kit is an easy-to-install vent for ventilation fans (bath, rec room, home gym, etc.). It is compatible with 3" or 4" ductwork and includes a 3" to 4" adapter for convenience. This cap features both a back draft damper and bird screen, preventing outside air from entering the home and birds and small pests from entering duct work. This kit includes all materials needed for installation, including 8 ft. of 4" flexible ducting, 4" metal duct connector, 4" to 3" Reducer, nylon zip ties and mounting screws. The flexible ducting conforms to UL 181 Class 1 Air Connector and CUL S110 requirements. Not suitable for dryer venting or flat roofs.- Built-in backdraft damper prevents outside air from entering home
- Built-in bird screen prevents birds and other small animals from entering duct work
- Kit includes all materials needed for install: 8 ft. of 4" flexible ducting, 4" metal duct connector, 4" to 3" Reducer, nylon zip ties and mounting screws
- Constructed of durable, resilient steel with a black powder coat finish
- Easy to install in new construction, replacement, or DIY applications
- Compatible with 3" and 4" round ducting
- Not suitable for dryer venting or flat roofs
- Shop all
- For any questions regarding product features, installation, or specifications, please call our Technical Services Dept. at 800-637-1453, Monday-Friday, 8:00 am – 7:00 pm EST.
Features
| Item Weight | 3 |
| Intake/Exhaust | Exhaust |
| Color/Finish | Black |
| Returnable | 180-Day |
| Screen Included | Yes |
| Material | Galvanized Steel |
| Shape | Rectangular |
| Color Family | Black |
| Paintable/Stainable | Yes |
| Power Type | Non-Powered |
| Mounting Position | Roof Mount |
| UV Resistant | Yes |
| Features | Built-in Screen,UV Resistant |
| Product Weight (lb.) | 2.3 lb |
| Product Depth (in.) | 11 in |
| Cut-Out Width (in.) | 5.25 |
| Product Width (in.) | 9.25 in |
| Product Height (in.) | 4.375 |
| Net-Free Area (Sq. In.) | 13 |
| Manufacturer Warranty | None |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 4
Comfortable but Runs Small
I got the wirarpa Men’s Cotton T-Shirt 2-pack in XX-Large (Black/Gray) and while the shirts are really soft and breathable, they do run small. The XX-Large feels a bit tighter than expected, especially after washing. The cotton material is great and comfortable, but I would recommend sizing up if you’re looking for a more relaxed fit.
The classic crew neck design is versatile, and the shirts are well-made. They hold up well in the wash and maintain their softness. Even though the sizing is a bit off, the quality and price are still excellent for the value.
If you’re okay with a slightly snug fit or decide to size up, this is still a great purchase!
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Reviewed in the United States on March 28, 2025
★★★★★ 5
Great product
Size: Large, Color: Black/White
Perfect shirt, great quality. Comfortable and soft. If you have man tits it hides them well
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Reviewed in the United States on August 22, 2025
★★★★★ 3
Not a great fit
Size: Medium, Color: White
Though it's the right size, it's not a good fit - cut is awkward
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Reviewed in the United States on February 6, 2026
★★★★★ 5
Happy customer
Arrived on time and picture and description were accurate to post shown. And in condition. Wearing them to work now ty.
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Reviewed in the United States on May 28, 2025
★★★★★ 5
Recomiendo Mucho Estas Franelas, le va Gustar en lo la Usen
Size: Large, Color: White
Es Excelente y de Tela Muy Suave, se Adapta al Cuerpo Cómodamente.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 27, 2025
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