Camco's RV Blow Out Plug with Brass Quick Connect leaves your hands free to open faucets and flush out water lines without assistance. Screw the plug into your RV's city water inlet, open all drains and faucets, then connect your air compressor quick connect hose. It aids in the removal of water from your water lines. View larger View larger View larger View larger Camco started in 1966 with one employee and one product. Today, over 40 years later, we have more than 350 employees, over 3,000 products and multiple manufacturing facilities in the USA and across the globe. Competitive pricing, superior service, quality products and customer satisfaction are the foundations upon which Camco operates. Our friendly, knowledgeable customer service staff stands ready to assist our customers with any questions. At Camco, we take pride in meeting the ever changing demands of a challenging marketplace while serving you, our most valuable asset.