Cart Continue shopping “6” Butterfly Damper (DE18)” has been added to your cart. Remove item Thumbnail image Product Price Quantity Subtotal × 6” Butterfly Damper (DE18) $67.65 6” Butterfly Damper (DE18) quantity $67.65 Update cart Cart totals Subtotal $67.65 Total $67.65 (includes $6.15 GST) Proceed to checkout