Sealproof Weatherproof Four 1/2-Inch Hole Metallic Extension Ring for 4-Inch Round Electrical Box, 1/2" Threaded Knockout Hubs, UL Listed

★★★★★ 4.1 33 reviews

US$3.20
Price when purchased online
Free shipping Free 30-day returns

Sold and shipped by www.landskronafoto.org
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here.
US$3.20
Price when purchased online
Free shipping Free 30-day returns

How do you want your item?
You get 30 days free! Choose a plan at checkout.
Shipping
Arrives May 20
Free
Pickup
Check nearby
Delivery
Not available

Sold and shipped by www.landskronafoto.org
Free 30-day returns Details

Product details

Management number 218966150 Release Date 2026/05/03 List Price US$3.20 Model Number 218966150
Category

Sealproof Weatherproof Four 1/2-Inch Hole Metallic Extension Ring for 4-Inch Round Electrical Box, 1/2" Threaded Knockout Hubs, UL Listed

  • Increases the capacity of 4-inch round weatherproof electrical boxes, providing 16.5 cubic inches of extra space.
  • Features four 1/2-inch threaded knockouts and reinforced connector outlets for secure conduit connections.
  • Includes closure plugs and a gasket to ensure a reliable weatherproof seal in outdoor installations.
  • Made from die-cast metal with a durable powder-coated finish for corrosion resistance and long-lasting performance.
  • Measures 4.2 inches in diameter and 1.6 inches deep, UL Listed for wet locations to meet strict safety standards. UL File No. E362604
UPC 658746110813
Color Gray
Style Industrial
Capacity 16.5 Cubic Inches
Material Metal
Brand Name Sealproof
Finish Type Powder Coated
Item Weight 3.36 ounces
Part Number RER450
Manufacturer Sealproof
Model Number RER450
Installation Type Screw-In
Specification Met cULus
Included Components mounting hardware
Item Dimensions D x W x H 1.6"D x 4"W x 1.6"H

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Customer ratings & reviews

4.1 out of 5
★★★★★
33 ratings | 14 reviews
How item rating is calculated
View all reviews
5 stars
77% (25)
4 stars
7% (2)
3 stars
4% (1)
2 stars
2% (1)
1 star
10% (3)
Sort by

There are currently no written reviews for this product.