Block for Visible, 12 x 19mm, deep 60mm Back Catalog number: MU22-00-111A Manufacturer: HANGZHOU MIU INSTRUMENTS Availability: 4 weeks Price on request - + Recommended MU22-00-060101 Block for Visible NK200-1B, 12x18mm, 49mm depth, round bottom Price on request C-HEPUR Helium Gas Purifier, Big Universal Trap 1/8in fittings. Price on request MU06-00-081815 Block for NDK200-1/2N, 6x15mm, 30mm deep Price on request