$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 1″ Sight Glass – POLYCARBONATE $276.41 Add to cart 2″ Sight Glass – POLYCARBONATE $332.52 Add to cart 1.5″ Sight Glass – POLYCARBONATE $313.81 Add to cart 1.5″ NBR Sight Glass Seal KIT $6.56 Add to cart