The visible septic vent from The Dirty Bird is EPA compliant and is available in different colors and styles, including a bird bath, sundial, garden globe or potted plant. The vents fit 4- and 6-inch Air-Vac systems and wellheads. The vent is 32 inches high, 23 inches wide at the base and has a 12.25-inch footprint. Each vent is made of UV-stabilized low-density polyethylene. 866/968-9668; www.thedirtybird.com.