Product details:

The Open House 12" enclosure offers grid-mounting space for linear structured wiring components and features two 9 1/2" columns.
The Open House H312KIT 12" enclosure fits comfortably between studs and is made from rugged ABS plastic for added convenience. Flexi-mount system contains slots and four flexible mounting tabs on the sides of the enclosure allowing both surface and flush mount. Comes with eight combination knockouts including two located on the sides of the box allows 1/2" or 2" conduit fitting. This enclosure has an additional knockout on the bottom to mount a 1-Gang junction box for AC outlet installation. Snap-on vented cover offers better protection to the enclosure. Four Philips head screws helps to make secure connection and features painted shielding for added safety.
Dimensions: 12"H.
Features durable ABS construction.
Features electrical J-box knockout on bottom for easy management.
Has 1/2" or 2" knockouts including 2 located on the sides of the box.
Features 19" grid of mounting capacity.
Contains snap on vented cover.
Meets ETL listings.
Weight: 3.88 lbs.
Sold as 1 Each.
Brand:Petra Industries
Assembled Product Weight:3.38 lb
Material:$materialofficechairseat
Manufacturer Part Number:OHSH312KIT
Assembled Product Dimensions (L x W x H):15.99 x 13.74 x 5.99 Inches