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 Surge Protector Tester Learn More Add to cart Rotary Encoder Switch Learn More Add to cart Exit Gate Bushing Kit (For Combo Scale) Learn More Add to cart PT 1/4 Air Muffler, metric Learn More Add to cart