Comparison : Item # V1001739192G, Forged Brass 200 WOG / 125 WSP Sweat Swing Check Valve - Series 9192
Item # V1001739192I, Forged Brass 200 WOG / 125 WSP Sweat Swing Check Valve - Series 9192
Item # V1001739192K, Forged Brass 200 WOG / 125 WSP Sweat Swing Check Valve - Series 9192
Item # V1001739192L, Forged Brass 200 WOG / 125 WSP Sweat Swing Check Valve - Series 9192
Item # V1001739192M, Forged Brass 200 WOG / 125 WSP Sweat Swing Check Valve - Series 9192