Continue shopping “Humidity Transfer Duct | EST-1600” has been added to your cart. Product Price Quantity Total × Humidity Transfer Duct | EST-1600 $478.00 Humidity Transfer Duct | EST-1600 quantity $478.00 Coupon: Cart Totals Cart Subtotal $478.00 Tax $28.68 Order Total $506.68 Note: Shipping and taxes are estimated and will be updated during checkout based on your billing and shipping information.