Our WS-12-4 Wall sleeves are designed specifically for mounting air intake and exhaust blast valves for systems such as the Lunor VA air filtration system. We provide installation guidance and our cable wall sleeves are designed to be installed in the wall at the time the concrete is poured.

Product Features and Descriptions:

• Manufactured in the U.S.A.
• WS-12-4 are 4” X 12”
• Manufactured with 1/4 inch steel plate.
• Constructed of welded steel designed for 12” to 24” walls
• Custom orders and sizes available