Select a Product Part NumberUsed onMaterial 100PRSCSS3/4"- 1"316 Stainless Steel 200PRSCSS1-1/4"- 2-1/2"316 Stainless Steel 300PRSCSS3" and 4"316 Stainless Steel 300PRSCCS3" and 4"Carbon Steel 200PRSCCS1-1/4"- 2-1/2"Carbon Steel