Description
Neos, Servus Adventurer All Season Overshoes, Nylon, Hook And Loop Closure, Fits Men'S 11.5 13 VariesBy:shoe_size_range_20330:XLarge birthday and more birthday and more Designed for accurate regulation of gas flow Backpressure compensated design insures accurate readings when line restrictions are present Polycarbonate flow tube is square shaped for easy reading Body machined from class "A" brass bar stock Easy adjustment brass knob for "fine tune" flow settings UL listed