The Original Radon / Sump Dome serves two pressing needs; the need for a universal gas-tight cover to serve the radon mitigation market and the need for a cover to retrofit failing sump and sewage basin covers. The Original Radon / Sump Dome is designed to cover an existing basin, providing a new heavy duty cover to properly contain and vent radon gas and odors. There is no reason to dig up your basement or garage floor to remove the existing sump or sewage basin. Simply remove the old cover and install The Original Radon / Sump Dome over the opening, to create a new, sealed system. The Original Radon / Sump Dome is adaptable with a variety of spaces for different connections and comes with a full range of flanges that fit every size pipe. The removable cover allows for easy access to the pump and has a clear view removable inspection plate. Contains and properly vents radon gas and odors Fits over any sump basin or 24 inch diameter floor opening Easy to install Heavy-duty construction for durability Features a clear view removable inspection plate Retro fit old, failing covers Provides safety for children and pets Features 5 side locations for inlets, discharge or vents Has a built in floor drain plug Series Name: Gas Tight Sump/Sewage Basin Cover Sub-Brand: The Original Radon Sump / Dome Type: Sump basin cover Material: HDPE Package Contents: Cover with clear view plate, reusable cover seal, bolts and washers, riser ring, 1-1/4,1-1/2 and 2 in. discharge flanges, 2 and 3 in. vent flanges, cord grommet, 1-1/4,1-1/2 and 2 in. side hubs, blank flange, 1-1/4 in. reducer plate, drill template Package Quantity: 1 Warranty: 1-year CA Residents: Prop 65 Warning(s): No UNSPSC: 40151500