Item 1: Part number 244-194 - Made of eco-friendly and durable high quality stainless steel and silicone materials. All leathers and machined parts are made from premium materials for maximum efficiency. Main features include a stainless steel valve body, plastic CAM, knob, carbide seat and ball, making it a perfect fit for 390 paint sprayer parts. Item 2: Part number 235-014 - This reflux valve is the most cost-effective option available in the market, featuring a tungsten ball that excels in wear resistance than both ceramic balls and carbide balls. The black handle is highly durable and safe, made from plastic boasting high hardness and reliability. The main body is steel-made, providing excellent compressive properties. Compatibility: Incomparable versatility, compatible with 295 ST, Ultra Max II 390, 395, 490, 495, 595 models, and LineLazer 3400, 210ES, 210PC Pro, 230PC Pro, 390PC Pro, 395PC Pro, 490PC Pro, 495PC Pro, and 595PC . Perfect for a diverse range of paint sprayers for maximum convenience. Note: Please carefully read through the description to the product is exactly what you need. The actual product may have slight color differences or differences, which does not affect use. Colour:Photo Color Material:metal+rubber Package Contents: 1 x 235-014 Airless Prime Spray Valve Drain Valve 1 x 244-194 Airless Spray Pump Set 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.