This fan requires minimum 600 sq in (square inch) net free area intake vent area
Super-duty shelf bracket is designed for extra-heavy loads - holds 1200 Lb
32 mm hole pattern with direct access mounting
G-60 hot-dipped galvanized coating
243 wire size and a 1-3/4 in
MasterSeal NP1 10.1 Oz. Polyurethane Sealant, White Ford This fan requires minimum 600A versatile moisture curing high performance polyurethane sealant with permanent elasticity (Formerly: Sonolastic NP 1). For use on active, vertical and horizontal interior, exterior joints including expansion wall joints, floor and pavement joints, curtain walls, panel walls, precast walls, window frames, structural components, dams, spillways, and storm water drains. Substrates include concrete, masonry, aluminum, and wood. Bonds to concrete,