Vostermans Varifan Variable Speed Drive with Manual Override Size:10 Amp Since Deliver is most effective

Since Deliver is most effective against small

This is to help form a more balanced humidity field over your plant's entire canopy

and a gripple key for installation

The ultimate handy solution for measuring pH

Vostermans Varifan Variable Speed Drive with Manual Override Size:10 Amp Since Deliver is most effectiveAvailable 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.