Welch DuoSeal Vacuum Pump Oil, Gallon 1407K-15 AIR FILTER BOXES *Please Refer to these charts

*Please Refer to these charts for vacuum specifications at altitude and conversions:

Improved Sustainability

Be sure to start off with a lower dosage rate and gradually work up to the full strength dosage rate based on your plant’s growth response

and yeast designed to aid in plant growth and production

Arriving fully assembled at 39 inches long

Welch DuoSeal Vacuum Pump Oil, Gallon 1407K-15 AIR FILTER BOXES *Please Refer to these chartsWelch DuoSeal Vacuum Pump Oil, Gallon 1407K 15 ***Note: This item has a possible 1 2 week lead time depending on stock availability*** Welch fractionated oil for DuoSeal belt driven pumps to ensure the highest vacuum performance. DuoSeal Oil performs to rigid standards for vapor pressure, vacuum level stability, and viscosity the lubrication that helps enable renowned DuoSeal pump durability.