Clear lenses suitable for SIP Meteor helmets. This SIP 105mm x 66mm Back Cover Lens provides high-quality and reliable protection during welding with the SIP METEOR 2300 and 2300F Electronic Welding Headshields. It is a convenient and superb value-for-money replacement back cover lens. Dimensions: 105mm x 66mm. Manufactured for use with: SIP Meteor 2300 Electronic Welding Headshield, SIP Meteor 2300F Electronic Welding Headshield.