Home » TEAM Electronic Sow Feeding » TEAM EED System Parts » Spray Marker Check Valve, 3 PSI Spray Marker Check Valve, 3 PSI SKU: RFF-2020 Availability: Available Price: $18.55 Spray Marker Check Valve, 3 PSI quantity Add to cart Description Replacement check valve for TEAM G-Station and E-Station spray marker kits and Osborne Survey Scale spray marker kit. Related products Air Solenoid Valve, 10mm Fittings Learn More Add to cart Power Supply Learn More Add to cart Spray Marker Adjustable Nozzle, Brass Learn More Add to cart 10mm Polyurethane Tubing Learn More Add to cart