Stepper Motor Type of Ring Pump RP-QⅡ/RP-QⅢ Series [Discharge Rate: 0.06 ~ 60 μL/min] US$ 136.00 ★★★★★ 4.1 (24 reviews)
Controller [RE-C500/501] for Ring Pump RP-TX/RP-HX/RP-QⅡ/Ⅲ (Stepper) US$ 773.00 ★★★★★ 4.0 (5 reviews)