TEST TUBE CAPS, 38mm (100 pcs) Back Catalog number: 658 Availability: In the manufacturer's stock Price on request - + Recommended 655 TEST TUBE CAPS, 22mm (100 pcs) Price on request 84006 CONICAL TEST TUBES PP,15ml, PRINTED GRAD.(50pcs) Price on request 301 CONICAL TEST TUBES PP, 120x18mm Price on request