Window Weather Strip | .275 Bulb-Type Compression Seal, Kerf Insert

Window Weather Strip, Bulb-Type Compression Seal, Kerf Insert Style - .275 Diameter. Kerf Compression Seals - ITEM IS PRICED PER 100' ROLL - This Kerf Set, Bulb Compression Seal or Weather Strip Bulb Style is used on windows and doors and available in WHITE ONLY. Best grade flexibility thermoplastic with the functional performance and properties of a conventional thermoset rubber type seal flexible compression bulb acts as a mechanical seal with little resistance. Slip coat on the top of the bulb decreases operating force in window and door applications.