Product Description LASCO Plumbing Specialties 32-1501 is a 1/8-Inch by Close Type 304 Stainless Steel Pipe Nipple. Pipe nipple. Type 304 stainless steel. Lead free approved product in all states. Used in water, gas and pressure systems. 1/8-Inch by close. From the Manufacturer LASCO Plumbing Specialties 32-1501 is a 1/8-Inch by Close Type 304 Stainless Steel Pipe Nipple. Pipe nipple. Type 304 stainless steel. Lead free approved product in all states. Used in water, gas and pressure systems. 1/8-Inch by close.