Compatible with for new and old 7900 paint sprayers. Airless spray painted inner cylinder liner model: 240-921 Made of high-quality stainless steel and silicone, environmentally friendly, durable and long-lasting. This product includes 2 sealing rings to reduce the additional cost of replacement parts. Model: 240921 This sleeve is made of special materials, which is wear-resistant and has a long service life. Compatible with: for New and Old 7900 Airless Paint Sprayers. Material: Metal colour: Silver Package Contents: 1 x sleeve 2 x seals Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.