Water Softener Air Gap With 3/8"",, Safety Gaps Model Number: Dc-225-400 Black Product Details Safety Gaps Model DC-225-400 is the solution to variable flood level rim elevations. Use Safety Gaps for water softener, back-washing filter and reverse osmosis system installations when their discharge hoses terminate at a floor drain receptor. With applicable discharge hoses, a minimum 1.5" air gap must be maintained above the Flood Level Rim. Model DC-225-400 is adjustable to 4" and is recommended for flow rates up to 8 gpm. Check your local code. EASY DEVICE INSTALL: Four screws are included to mount air gap device securely to the top surface of a vented floor drain receptor cover EASY HEIGHT ADJUSTMENT: The height is adjustable up to 4 inches and screws are included to secure the device at the desired height to hold the critical line on the device above the Flood Level Rim EASY HOSE INSTALL: 3/8", 1/2" and 5/8" hose barbs molded directly into the assembly plus a port for a press-on fitting (sold separately) to receive a reverse osmosis discharge line FLOW RATE: The DC-225-400 is recommended for combined flow rates up to 8 gallons per minute (GPM) COLORS: Available in black or white Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.