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: $18.65 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 USB to RS232 Converter Cable Learn More Add to cart Gasket, DIN connector Learn More Add to cart Load Cell Learn More Add to cart Power Supply Learn More Add to cart