1 x PVC milk tube. Capacity 25L (6.6 gallons). 25l dairy cow bucket tank barrel milker milking machine stainless steel wide applications & universal compatibility perfect for dairy farms and milk product plants. Pulsation Times 60-80 times per minute. HIGH PULSATION FREQUENCY FOR ULTIMATE MILKING EFFICIENCY Pulsation frequency of the L80 pneumatic pulsator can reach 60-80 times per minute, maximizing your milking efficiency.