By D&B Supply
Inner Cover Lens For 4-1071/3
4-1070, 4-1071, 4-1072, 4-1073 and 4-1074 inside cover lens size. 2.28" x 4.21". Protect more expensive filter plates from pitting and scratches. Replace pitted and scratched lens immediately to protect yourself. Use plastic whenever possible for safety. Material Plastic. 2 per package.