Vostermans Varifan Variable Speed Drive with Manual Override

Vostermans Varifan Variable Speed Drive with Manual OverrideAvailable in three different models that have a 0 10 V or 4 20 mA input signal. Easy to access toggle switch to select manual or automatic mode as well as a manual speed selector dial on the faceplate. Internal minimum speed adjustment with possibility to work continuously at minimum speed. Comes in a rugged, sealed enclosure that protects from light, moisture and dust. Includes extended supply voltage range and a radio interference filter.

Power (watts)(1): 2

The Quest 746 480v is one of the most energy-efficient

This means it will help prevent damage to fan motors

widespread 90-degree oscillation action

providing an instantly available source of required nutrients

Bulletproof Si 5% has additional natural components including amino acids and Ascophyllum nodosum

or cleaning agents

When you’re ready to fertilize

including the production of ATP (plant sugars) and the transfer of those sugars throughout the plant tissue

Formulated with Canadian sphagnum peat moss for increased moisture retention

The root pack is an amazing addition to your compost tea as well

Commercial RO Membranes are typically found in our RO systems utilizing the Stainless Steel Membrane Housings