NEW in original box Masterflex L/S Single-Channel Miniflex Pump Head
By Cole-Parmer.
 
New MasterFlex peristaltic pump-head model 77220 By Cole-Parmer cost $170.00
Please see link: 
https://www.coleparmer.com/i/masterflex-l-s-single-channel-miniflex-pump-head/7722000?PubID=UX&persist=true&ip=no&gclid=Cj0KEQiA5bvEBRCM6vypnc7QgMkBEiQAUZftQI8iZsALBHp1oMEdOSjfbSEGIUJ71nr_bGqY_gRCiT4aApQN8P8HAQ

Thanks