1st or 2nd Check Assembly
RK6-450STCK4
1st or 2nd Check Valve Assembly for:
Wilkins 6" 450ST
1st Check Valve Assembly for:
Wilkins 6" 450STDA
2nd Check Valve Assembly for:
Wilkins 6" 475ST
Wilkins 6" 475STV
Wilkins 6" 450ST
1st Check Valve Assembly for:
Wilkins 6" 450STDA
2nd Check Valve Assembly for:
Wilkins 6" 475ST
Wilkins 6" 475STV