Selling 7 new in box Parker Porter Mass Flow Meters/Controllers. See pictures. The new items are; 4 Parker Porter 111-DKASBCAA, H2, 1 SLPM, 0-10 PSIG, 25C/0C. 2 Parker Porter 201-DKASVCAA, H2, 5 SLPM, 10-20 PSIG, 70F/0C and 1 Parker Porter 202-DKASVEAA, AIR, 70 SLPM, 40 PSIG, 70F/21.1C. All new in box. . Price is each!