$565.92 4″ 316L Compact Sight Glass 4" 316L Compact Sight Glass quantity Add to cart SKU: B54BMPS-R400 Category: Sanitary Sight Glass Tags: sanitary sight glass, sight glass Additional information Additional information Weight 0.19 lbs Dimensions 7.5 × 7.5 × 7.5 in Related products 1.5″ Sight Glass – POLYCARBONATE $313.81 Add to cart 1.5″ NBR Sight Glass Seal KIT $6.56 Add to cart 1.5″ FKM Sight Glass Seal KIT $22.09 Add to cart 2.5″ Sight Glass – POLYCARBONATE $426.13 Add to cart