Product Price Quantity Subtotal 3M Reverse Osmosis 3MROP310 Pre Filter $55.00 3M Reverse Osmosis 3MROP310 Pre Filter quantity $55.00 3M Aqua-Pure AP917HDS Replacement Water Filter $309.00 3M Aqua-Pure AP917HDS Replacement Water Filter quantity $618.00 Coupon: Apply coupon Update cart Cart totals Subtotal $673.00 Tax $47.11 Total $720.11 Continue Shopping Proceed to checkout