HVAC AutoCAD Drawing Air Condition System 2×1″lsd,1.50m.long For Sag 400 Cfm Install On The Roof Slab Dn.to Nearest Drain Return Air Chamber (typ) 36″x14″rag With filter (typ) Dn. To Nearest Drain 8″x6″fag. With… Read More $10.00 Close sanket or $10.00 – Add to Cart Checkout Added to cart