1st or 2nd Check Valve Assembly
RK4-450STCK4
1st or 2nd Check Valve Assembly for:
Wilkins 4" 450ST
1st Check Valve Assembly for:
Wilkins 4" 450STDA
2nd Check Valve Assembly for:
Wilkins 4" 475ST
Wilkins 4" 475STV
Wilkins 4" 450ST
1st Check Valve Assembly for:
Wilkins 4" 450STDA
2nd Check Valve Assembly for:
Wilkins 4" 475ST
Wilkins 4" 475STV