The 247Garden CO2 Regulator with Solenoid Valve allow you to maintain ideal and accurate CO2 levels for optimum growth. Easy to adjust, it also comes with a 4000 PSI tank pressure gauge, easy-to-read square-shaped flow meter, and electronic solenoid void with 6 feet power cord. Works with any 120 V device. Simply add the tubing to disperse CO2 evenly throughout your room. If you are not using a digital CO2 controller, you will need to use a timer. To avoid leak, please make sure the nylon washer is in place when attaching to CO2 tank. Also make sure you have a wrench to screw tight the attachment. To check for leaks after installing, spray some soapy water or StarSan solution on the CO2 regulator connectors. Usually if there's leaks, you will see or hear the bubbles. All 247Garden CO2 Regulators come with 100% Customer Satisfaction Guaranteed. Warning: 1)All CO2 tanks should be placed on a flat surface and securely mounted to a permanent structure such as a wall or metal frame. These tanks are under extreme pressure. Should one fall or be knocked over, personal injury may result. 2)Follow all local laws when transporting, storing or handling CO2. 3)PPM levels should be kept below 2500 PPM. Levels above 5000 PPM can be harmful. 4)Always completely turn off the tank valve before attaching or detaching the regulator. 247CC-TC-CR for greenhouse or your personal grow room Features 247Garden CO2 Regulator w/Solenoid Valve 110V, Forged Brass Body, Nylon Washer, 4000 PSI Pressure Gauge, 0.5-15 SCFH Compatiable for Indoor Gardening Hydroponics, Beer Wine Kegs Brewing. Forged brass body and bonnet for maximum strength with 4000 PSI pressure gauge. Safety relief valve is set for safe operation. Sintered metal inlet filter to trap impurities w/ nylon washer included. No soldered joints for easy maintenance. Free Shipping rates apply to the lower 48 contiguous states. Contact Us to get shipping cost to your area if not in the lower 48 states before purchase. We ship all items discreetly Whether you are a novice gardener or a mad scientist in the greenhouse, you will find a plethora of inventory and knowledge at the Spokane Organic Hydroponic Supply centers. Our first store opened its doors in 2006 when Paul and mother Susan, both avid and life-long gardeners, joined together to share their passion and gardening experiences with the Spokane community. In 2010, Susan moved on to pursue other endeavors while Paul continued to expand the business. Each of our two stores employ experienced staff members with traditional garden expertise and modern industry knowledge. With real-life experiences, our plant experts know the challenges of outdoor and year-round gardening and strive to help customers eliminate avoidable mistakes. Our alternative and earth friendly stores we have created will leave you with a sense of empowerment to develop your own efficient methods of growing and caring for plants. We look forward to your visit and hearing the plant stories you have to share with us! We ship daily Monday - Friday. All orders will be shipped within 3 to 5 working days. Most will go within 24 hours. You will automatically receive a tracking # via email once we have shipped your order. All domestic orders will be shipped by UPS, Fedex ground, USPS priority mail or USPS ground. If you need to use a special carrier i.e. PO BOX w/ USPS, please email us and let us know. We will only ship to the address provided during payment. We are not responsible for any packages that are lost or damaged if insurance is not purchased. Shipping and handling rate is fixed and non-refundable. Free Shipping rates apply to 48 contiguous United States. Contact us for shipping cost to your area. No returns No returns are accepted on any nutrients and fertilizers Be sure the item is what you want because of the no return policy Pictures may be different then product sold We ship all items discreetly Satisfaction : Discreetly labeled, Professionally packaged, shipped as fast as possible with care read the feedback for proof. Our prices are competitive but the service is Priceless! We know how to ship liquids with no leaks and 100% satisfaction guaranteed. Your satisfaction is very important to us! If you have any problem with your order, please do not leave negative comments. Please Contact us ... we will help you out! In the unlikely event that the item is sold out from our stock or on back order, we will contact you to see if you want to wait a few days or we will refund 100% of your money ? YOUR choice. Occasionally items sell from our brick and mortar store front before we are able to pull down our listing or adjust quantities. We try our best to fulfill these orders in a timely manner if possible. These cases are very rare, we will let you know as soon as possible and refund your money.