Next Day Fittings is an authorized Parker Distributor. If you have any questions about the Parker H4-56-9 Quick Disconnect Repair Kits's technical information or availability please call us at: 844-323-8752Next Day Fittings is an official Parker 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 Parker product purchasing process. Whether you need assistance from a customer service agent or a product engineering expert, Next Day Fittings is your Parker partner every step of the way.Coupler Interface Seal, H Series, 1/4" Body Size, Nitrile