This is the official product video for the 18" Vented Threaded Tank Manway. Full specifications, dimensions, and live pricing are on the product page.
In a world of lids and openings... the Snyder 18\" Vented Threaded Tank Manway (part 34300012) steps forward. A polyethylene (PE) manway lid sized for an 18-inch opening, with a 15\" access hole... It uses a threaded design... and includes venting, exactly as listed. Maker-confirmed as a Snyder part... matched to your existing opening and thread style. Raw, physical, precise — a replacement lid that fits the ring, gives access, and provides venting where it's specified. No guesswork. No extras. Just the part as named... for the access you need. Polyethylene (PE) manway lid, with the 15\" access hole and the 18-inch sizing listed. 18\" Vented Threaded Tank Manway. Threaded Vented Access. OneSource Plastics.