$922.19 6″ HSG Sight Glass Polycarbonate Insert 6" HSG Sight Glass Polycarbonate Insert quantity Add to cart SKU: HSG-POLY-600 Category: Sanitary Sight Glass Tags: sanitary sight glass, sight glass Additional information Additional information Weight 0.82 lbs Dimensions 7.5 × 7.5 × 7.5 in Related products 2.5″ NBR Sight Glass Seal KIT $8.88 Add to cart 2″ NBR Sight Glass Seal KIT $6.56 Add to cart 3″ NBR Sight Glass Seal KIT $8.88 Add to cart 6″ 316L In-Line Sight Glass CxC No Shield $745.61 Add to cart