$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 1″ FKM Sight Glass Seal KIT $22.09 Add to cart 1″ 316L In-Line Sight Glass CxC $315.91 Add to cart 1.5″ FKM Sight Glass Seal KIT $22.09 Add to cart