... Stainless Steel Sight Glass (sight glass,sanitary sight glass) Features Specifications:Sell Sanitary Clamped Sight Glass(sight glass,union-type sight glass,sanitary sight glass)Sanitary Clamped Sight Glass(sight glass ... "-4", applied to the stainless steel pipeline systemMedium: Beer, Dairy, Beverage, Pharmacy, Food, Water, Cosmetic Order requirements 1. Quantity and Size.2 Product material3 ...