TEST TUBE STAND 3 TIER (POLYPROPYLENE) – PLASTX BRAND Posted on April 15, 2017April 26, 2017 by admin Product Code Description Pack Size(pc/pck) 150201 13MMX31HOLE 2 150202 16MMX31HOLE 2 150203 20MMX20HOLE 2 150204 25MMX18 HOLE 2 150205 13MMX62HOLE 2 150206 16MMX62HOLE 2 150207 20MMX40HOLE 2 150208 25MMX36 HOLE 2