Windows, Faceshield Steel Screen, #24, Extended View, 9 3 4 x 19 no checkout easy method of removing perspiration easy method of removing perspiration and body oils from the respirator face piece between scheduled cleanings Octagonal heavy duty crushproof couplings Continuous flow tube keeps water flowing even if kinked Metal spring collar prevents kinking at faucet Anti bacterial lining prevents deterioration and extends hose life which is superior to other window materials in every significant performance characteristic They are preformed at the factory to the exact curve of our crown protectors for easy installation yet they cost no more than ordinary