SUBPLATE ASSEMBLYNext Day Fittings is an authorized Versa Distributor. If you have any questions about the Versa M-450-APN-20M Air Valve Subplates's technical information or availability please call us at: 844-323-8752Next Day Fittings is an official Versa distributor, we can offer our customers the best pricing and factory lead times. Our trained and knowledgeable staff is always ready to help with any aspect of the Versa product purchasing process. Whether you need assistance from a customer service agent or a product engineering expert, Next Day Fittings is your Versa partner every step of the way.