Block for Visible, 12 x 22mm, depth 50mm, round Back Catalog number: MU22-00-0881 Availability: In the manufacturer's stock Price on request - + Recommended B1450-ISS UVC Indicator Stickers, pack of 40 Price on request MU22-00-02 Block for Visible, for 4ml vials, 15mm*12 (D.32mm) Price on request H1000-MR-25 MAGic Clamp™ magnetic clamp, 25ml Erlenmeyer Price on request