3 In. Thick Series 24 In. X 8 In. X 3 In. Hopper Vent for Glass Block Windows (A
Thick Series 24 In. Hopper Vent for Glass Block Windows (Actual 23.25 In. X 7.75 In. X 3.12 In.). Removable screen and frosted glass The Clearly Secure 3 in. Thick Series Glass Block Hopper-style vent is designed to work with 3 in.
3 In. Thick Series 16 In. X 6 In. X 3 In. Hopper Vent for Glass Block Windows (A
Thick Series 16 In. Hopper Vent for Glass Block Windows (Actual 15.5 In. X 5.75 In. X 3.12 In.). The Clearly Secure 3 in. Thick Series Glass Block Hopper-style vent is designed to work with 3 in.
Screen Windows Ventilation Hopper Vent Glass Block Windows Removable Screen NEW
The clearly secure 3 in. thick series glass block hopper-style vent is designed to work with 3 in. thick glass block. This nominally sized 16 in. vent is used in place of two 8 in. glass blocks when assembling a glass block window using individual blocks.