Description Ace Roto 8â Threaded Vented Lid and Ring makes it much easier to replace the existing damaged or worn-out lid of the industrial tanks. It is primarily manufactured using quality grade and durable injection molded polypropylene that adds to the stability, strength and longevity. This it is designed to survive the test of time. This vented lid with ring has U.V. inhibitors which also ensures long life. This easy to use polypropylene vented lid and ring has collar (6 screws that are not included), which makes easier to swap the existing cover. This is indeed a great replacement threaded vented lid and ring if you have misplaced or lost yours.INDUSTRIAL TANK PARTS: Specifically designed and manufactured to be used as a replacement lid for the industrial tanks or in case if you have lost the tank lid. It is provided along with the ring that makes it much easier to use with the compatible tank and suits your application too.DURABLE CONSTRUCTION: This threaded vented lid and ring is primarily manufactured using quality tested injection molded polypropylene along with the U.V. inhibitors, ensuring longevity.EASY TO USE: The polypropylene vented lid and ring is designed to withstand harsh working conditions, enduring prolonged usage. It is easy to use and offers ease of convenience to the users too.VENTED LID WITH RING: This lid with breather vent features fine edges and easy to use top round handle, making it much easier to hold while using. It has collar that helps to swap out on the existing tank.PRODUCT SPECIFICATION: Ace Roto Threaded Vented Lid and Ring measures 8â.