Check the listing for details. Easy Load Peristaltic Pump Stepper Motor for Control Arduino/PLC/Raspberry Pi. Color: black, Condition: New. Listed at 241.11 USD. Product features1-253Yx/JBT≤3000mL/min ,Pump head material: PPS anti heavy chemicals corrosive2-Accept Tube 15#、24#、35#、36# (Wall thickness 2.4mm)3-Motor：12v /24v input 57stepper motor .Color: black4-This do not come with dirve included, The customer can provide drive by themselves5-The pump comes with default 0.5m silicon tube ID7.9 WT2.4mm already standard packed for shipping.Product descriptionPls note: This listing is for 253Yx/JBT without driver.(Pump head with stepper motor ,default 1m ID7.9WT2.4mm silicon tube for shipping,if you need other diameters, pls leave a note when ordering)Flow rate(ml/min,medium:water) Tube 15# 24# 35# 36# ID×Wall（mm) 4.8×2.4 6.4×2.4 7.9×2.4 9.7×2.4 0.1～50rpm 0.2~75 0.3~130 0.4~195 0.5~250 0.1～100rpm 0.2~145 0.3~210 0.4~375 0.5~500 0.1～300rpm 0.2~445 0.3~840 0.4~1280 0.5~1500 0.1～600rpm 0.2~900 0.3~1620 0.4~2340 0.5~3000ml/minSpecificationsRotary speed 0.1～600rpmTube: 15#、24#、35#、36#Color: blackPower:50WMotor type: 57 stepper motor（2-phase and four-wire system）Voltage: DC12v /24v input Pump head material: PPS Anti heave chemicalsDimension: pls check in the main picture