Add to Favorite View Feedback Contact Irrigation Tapered Valve Box Garden Lawn Sprinkler Water Cover Protector Sand Description Color/Finish Sand/Matte Pack Size 1 Product Depth (in) 21.8 in Product Height (in) 6.8 in Product Width (in) 13.3 in < ul >< li > Adds height to valve box systems in deep installations < li > Works as a standalone valve box in shallow installations < li > Structural reinforcing ribs ; overlapping cover ; UV resistant < br >< div > Add height to a traditional valve box while seamlessly blending into desert landscapes with the 14 in . X 19 in . Standard Series Sand Valve Box Extension and Cover . Stack extension on top of an existing 14 in . X 19 in . irrigation valve box to extend the overall height , or use alone for shallow installations to protect valves , control zone kits , and other irrigation system components . Engineered with structural reinforcing ribs , the sand extension box and sand cover are built to stand up to the elements , pedestrian traffic , lawn care equipment , and potential vandalism . The overlapping lid blocks dirt and debris from entering the valve box to keep the area clean and is marked for Irrigation Control Valve ( ICV ) use . Convenient slot makes lid easy to lift with a flathead screwdriver . The extension is made of high - density polyethylene ( HDPE ) using 40 % recycled materials ; the lid is made of high - density polyethylene ( HDPE ) using 50 % recycled materials . Both the extension irrigation valve box and lid are treated with UV inhibitors to prevent fading and cracking from sun exposure . NDS is a leading manufacturer of water management solutions and the trusted brand of professional landscape contractors since 1972 . NDS products are available at major home centers , retailers , and online . Check out the NDS website or reach out to us for technical support - our friendly , experienced team is here to help make your project a success < ul >< li > Stack on top of a valve box that sits deeper underground to add height , or use alone for shallow installations < li > Use to protect irrigation system components < li > Fits over irrigation fixtures such as valves , control zone kits , and other irrigation accessories ; also stacks on top of an existing 14 in . X 19 in . Rectangular Valve Box < li > Box top dimensions : Top inside dimension ( ID ) 10 in . X 15 in .; top outside dimension ( OD ) 11 - 3 / 4 in . X 13 - 1 / 4 in .; Box bottom dimensions : Bottom ID 12 in . X 20 - 1 / 2 in .; Bottom OD 17 in . X 21 - 3 / 4 in . < li > Box height : 6 - 3 / 4 in .; Box pipe hole dimensions : < li > Lid dimensions : Top dimension is 11 - 3 / 4 in . X 16 - 13 / 16 in .; bottom dimension is 10 - 1 / 16 in . X 15 - 3 / 16 in .; rim thickness 1 / 4 in .; overall height 2 in . < li > Pedestrian and lawn care equipment < li > Structural reinforcing ribs provide support and strength to protect items housed inside against damage < li > Overlapping cover prevents dirt and debris from entering the box ; ICV designation ; slot on lid for easy lifting with flathead screwdriver < li > Shorter height than standard valve boxes , it enables stacking on a standard valve box for added height or as a standalone for shallow installations . < li > Comes with one 14 in . X 19 in . rectangular valve box extension and cover < li > To use as an extension : stack on top of existing valve box ; to use as a valve box : build valves , connect pipes ; dig to allow enough depth so the lid is flush with the surface ; add layer of gravel for drainage before putting box and cover in place < li > Extension box made of high - density polyethylene ( HDPE ) using 100 % recycled content treated with UV inhibitors to prevent fading and cracking . Lid made of high - density polyethylene ( HDPE ) using a 83 % recycled content treated with UV inhibitors to prevent fading and cracking < li > Use 2 - 1 / 2 in . X 3 / 8 in . bolt ( 113BB ) to secure lid into brass nut on bolt hole < li > NDS Valve Boxes and Covers are available in a variety of sizes , shapes , and colors < li > Hassle - free guarantees this NDS product is free from defects - or we ' ll replace it < li > NDS products are available at major home centers , retailers , and online . Check out NDSpro or reach out to us for technical support at 888 - 825 - 4716 . Our friendly , experienced team is here to help make your project a success < li > Founded in 1972 , NDS is the preferred choice of professionals and the leader in water management solutions with proven products , tools , and support to help you get the job done right ABOUT US We have a proven track record over many years. We have 1000s of satisfied customers all over the world. We dispatch orders within 1-3 days! We use multiple trusted carriers to insure your items arrive quickly! SHIPPING We ship to the Lower 48 States only (Does NOT include Hawaii or Alaska) We cannot ship to PO Boxes/APO's We cannot combine shipping. No Local Pickup. We ship internationally through the eBay Global Shipping Program. We ship the item to eBay's global shipping facility for free. eBay then takes control of the package and ships it around internationally. They will charge a shipping fee, that will be added to your total order price BEFORE you complete the order. All items will be shipped from our supplier within 1-3 business days. Most items are delivered within 3-5 business days. All items are in stock when they are listed. Inventory is tracked and updated regularly. However, if demand exceeds our supply, we will give the customer the following options: Full refund. Have the item back ordered and shipped when it becomes available. We will offer other items in similar style and quality. Your bid / purchase of the item implies you agree to this policy. If you have a question about a product not otherwise answered in the item description, please contact us via eBay messages first and allow us the opportunity to help you and be sure we have what you're looking for. RETURNS Your satisfaction is guaranteed! If for any reason you are unhappy with your item, just return it within 30 days for a full refund or and exchange for the same item. Please contact us prior to initiating a return so that we can issue you a refund authorization and a FREE Return Shipping Label! PAYMENT We accept PayPal. CONTACT US This page content is yet to come Please ad us to your favorite seller and visit again later Thank You CUSTOMER SATISFACTION We try our very best to make sure every customer is completely satisfied. If there's a problem, message us! We're happy to help you with any questions you have about, Irrigation Tapered Valve Box Garden Lawn Sprinkler Water Cover Protector Sand.