Knauf Ecobatt R-19 Unfaced Fiberglass Insulation Batts - All Sizes Select Your Delivery Zone:All Other States Specially designed threads provide excellent

Specially designed threads provide excellent grip on metal surfaces

Mold resistant per ASTM D3273 (no defacement)

5 In #10 3 In - 3 1/2 In 5

water heater

Knauf Ecobatt R-19 Unfaced Fiberglass Insulation Batts - All Sizes Select Your Delivery Zone:All Other States Specially designed threads provide excellentIf you require delivery to ID, MT, OR or WA, please select that delivery zone as pricing and delivery to those states may vary. Knauf EcoBatt Fiberglass Insulation Batts with ECOSE Technology are a flexible glass mineral wool batt insulation made from sand and over 50% recycled glass bottles bonded with ECOSE Technology. Fiberglass insulation is the most cost effective way to increase thermal performance. By reducing energy usage, fiberglass