Product Information Material: Iron Seal: Natural Rubber Working Pressure: 200 PSIG at 70°F (21°C)¹ Select a Product Part NumberStyleSize SL200HMedium Head2" SL038HSmall Head3/8" SL150HMedium Head1-1/2" SL075HSmall Head3/4" SL100HSmall Head1" SL050HSmall Head1/2"