Kerf Bulb Foam Seals | Weather Strip Casement Awning Windows | .300 Diameter with .220 Kerf, Kerf Set Bulb Seal With Foam Compression Design and Hollow Core Center - COMES ONLY IN ONE HUNDRED (100') ROLLS MINIMUM ORDER TAN ONLY -  Used over the years for a number of different types and styles of windows - double / single hung, sliders and casements and awning units. Model # TOIPOTN over many years this may have been replaced with the hollow kerf bulb shown elsewhere on this site. 

Repair and Window Hardware Replacement Parts For EntryGard, Truth [WINDOWS] Polaris, Arcadia, Acadia, Acorn, Alenco, Andersen, Better-Bilt, Certainteed, columbia, Craftline, Crestline LP, Marvin, Integrity, Milgard, American Craftsman, Norandex, Oldach, Outlook, Peachtree, SealRite, Pella, ThermalGuard, Weather-Craft, Wenco, Silverline, SNE, Sugar-Creek, ThermalGard, Traco [Vinyl Windows] Weather-Shield, Lincoln, WinDor, Eagle, Guardian Glass, PPG, Herculite, PGT, and many others.