"JMF" COMPRESSION TEE LEAD FREE *5/16" x 5/16" x 5/16" *Yellow brass *Used with brass, copper, aluminum and thermo plastic tubing *Commonly used for air, oil and water up to 400 PSI *This product contains less than 0.25% weighted average lead content on wetted surfaces *Lead free version of Ace No. 42035 *Discovery ACC, CON, NBR, SUP, EXP