DiamondClear Pit Filler PF - 30cc Formulated to have the same refractive index as the glass which adds a clear look to the surface of the windshield once the pit filler has been cured. Great as a final capping resin for any windshield repair break once the cracks have been filled. Diamond Clear Resins are the industry standard for windshield repair bonding. UV inhibitors that prevent yellowing from occurring over time. High viscosity Pit Filler is used for filling larger surface pits. BSI tested for quality. 30cc bottle produces approximately 200 windshield repairs.