Cart “6” Butterfly Damper (DE18)” has been added to your cart. Continue shopping Remove item Thumbnail image Product Price Quantity Subtotal × 6” Butterfly Damper (DE18) $73.29 6” Butterfly Damper (DE18) quantity $73.29 Update cart Cart totals Subtotal $73.29 Total $73.29 (includes $6.66 GST) Proceed to checkout