Cell Culture Package 4: 1) Swing Out Rotor with round buckets, 4 x 750ml 2) Adapter, 7 x 50 ml conical tube (set of 4). 28 tubes per run 3) Adapter, 14 x 15 ml conical tube (set of 4). 56 tubes per run 4) Sealing lids, set of 4 pcs