Pemko 183ALT Elevator 183 - alternate position Elevators allow for custom sizing in offset conditions. Ratings Barrier-Free Fire Rated - UL10C - Positive Pressure Downloads Category Specification (.pdf) Pemko 183ALT Cut Sheet (.pdf) Pemko 183ALT Line Drawing (.pdf) Close Request Information Our consultative experts are ready to help. Contact us here: loading Interested in this product? Contact us to order Related products Pemko 188_ Pemko 282_ Pemko 183_