Pacor's RapidWrap® 300# Flange removable insulation covers are designed to fit standard size flanges in IPS pipe sizes 0.50” to 24.00” with a pressure class designation of 300. The covers are removable and reusable, making routine maintenance and troubleshooting easy. All insulation covers are sewn and consist of a needled fiberglass insert encapsulated in an inner liner of 304 SS knitted wire mesh and an outer liner of silicone-coated fiberglass fabric outer facing.