Features: Dimensions: 12.88" W x 14.75" H Color: Gray Metal back-panel that fits: BW-SL16147 and BW-SL16147C

Features: Dimensions: 10.88" W x 12.75" H Color: Gray Metal back-panel that fits: BW-SL14126 and BW-SL14126C

Features: Dimensions: 8.88" W x 10.75" H Color: Gray Metal back-panel that fits: BW-SL12104, BW-SL12104C, BW-SL12106 and BW-SL12106C

Features: Metal back-panel that fits: BW-SL1084 and BW-SL1084C

Features: Dimensions: 4.88" W x 6.75" H Color: Gray Metal back-panel that fits: BW-SL864 and BW-SL864C

Features: Dimensions: 6.75" W x 6.75" H Color: Gray Metal back-panel that fits: BW-L982 and BW-L982C

Features: Dimensions: 4.88" W x 6.75" H Color: Gray Metal back-panel that fits: BW-L863 and BW-L863C

Features: Dimensions: 4.88" W x 4.88" H Color: Gray Metal back-panel that fits: BW-L663, BW-L663C and BW-SL864C

Features: Plastic vent for non-metallic enclosures (outdoor applications) Three mounting holes must be cut into the enclosure to use this vent

Features: Aluminum louvers for non-metallic enclosures (indoor applications) Holes must be cut in the enclosure to use this vent

Features: 10 Piece Self-Tap Screw Pack for BW-L663 & BW-L863 Mounting Bosses 10 Self-Tap Screws for L Boxes

Features: 10 Piece Threaded Screw Pack for BW-L982 & all SL-Series Mounting Bosses