<UL><li><FONT color=#ff0000>This product is being discontinued and will be replaced by </FONT><A href="https://www.smc.eu/en-eu/products/~166079~cfg">AR-D</a><FONT color=#ff0000> series. Update details <a href="https://www.smc.eu/en-eu/products/new/enhanced-products/ac-a~89283~enhanced-products" class="dc_link">here</a>.</FONT></LI><LI>Modular type regulator.<LI>Available with built-in backflow mechanism.<LI>Optional embedded pressure gauge.<LI>Rc, NPT or G(PF) threads.<LI>Diaphragm is made of ozone resistant rubber material (HNBR).</UL>