The upgraded version 17C721 airless spray pump is perfectly compatible with sprayer paint pump 390 395 490 495 595 Pro 210 ES Rental Pro 210PC 230 PC,part number: 17C721 / 17C-721. The upgraded version 17C721 airless spray pump is made of high-quality stainless steel alloy and processed by Micrometre-level ultra-high-precision machine tools. The pump body is stronger, more wear-resistant, and has better sealing, exceeding equipment manufacturer specifications. Effectively prolongs its service life and is the perfect replacement part Simple design makes replacement installation simple, you can refer to the installation video to easily replace the old parts in a few minutes, and then install the pump, please shake it several times to prevent the internal steel balls and alloy plates from adhering Unlike other replacement pumps, our upgraded 248204 airless spray pump has higher atomization efficiency, more uniformity, larger flow rate, the cylinder will never wear out, longer service life, easy to replace parts, economical Practical and your Perfect helper. Colour:silver Material:steel Package Contents: 1 set x paint sprayer 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.