O-Ring Silicone Washer for CO₂ Laser Focus Lens

Description Silicone sealing washer for CO₂ laser focus lenses, fitted between the lens and lens tube to cushion and seal it from dust and debris. Available in 18mm, 20mm, or 25mm outside diameter to match your lens size. Technical Specs Size 18mm 20mm 25mm Inside Diameter 14mm 16mm 19mm Outside Diameter 18mm 20mm 25mm Thickness 1.5mm 1.5mm 1.5mm Delivery Information Postage is calculated at checkout and this item ships via tracked Australia Post (standard or express available). Local pickup is also available from our Mill Park warehouse by arrangement.