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Wide rim with grip lip for easy movement
while allowing air to travel into the root system
freon-free R134a refrigeration system that has high energy efficiency
No residuals
The perfect solution to store and hydrate your Bluelab pH products
Vostermans Variable Speed Drive 10 Amp w/ Manual Override Wide rim with grip lipAvailable 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.
