The 24V231 Air Valve Replacement Replacement Replacement Kit from Graco that include:

dustproof and will even float

MARSHALLTOWN's Single Line Striper was designed to create permanent lines and stripes easily and quickly on any smooth surface such as paper

Ideal for use with stains

Graco 15D125 SEAL, U-CUP,.375 SHAFT DIA. 1/4 in. NPT-BSPT The 24V231 Air Valve ReplacementSpecifications UPC Product: 00633955031623 Family Code: MISC Country of Origin: US Unit of Measure: EA Height: . 15 IN 0. 381 CM Length: . 55 IN 1. 397 CM Width: . 55 IN 1. 397 CM Volume: 0 FT3 0. 000 M3 Shipping Weight: 0 LBS 0. 000 KG Technical Specifications Type Seal