Greenhouse Sidewall Ventilation Crank PPE 7”) thick

7”) thick

Periodic maintenance application of N-CAL-MAG will increase the synthesis of chlorophyll and help with overall health and vigor

It should be applied early in the pest cycle to prevent the rapid build-up of pest populations

5V button cell batteries (included)  (model LR44 or equivalent)

How many packs do I need per container

Greenhouse Sidewall Ventilation Crank PPE 7”) thickVentilate your greenhouse with our side wall ventilation hand crank. Easily vent your roll up curtain sidewalls up to 150 feet long! Features Stainless steel handle, full plastic resin casing for long anti corrosion time The 4: 1 Gear ratio provides easy cranking Self Locking and automatic brake holds sidewall in place The drive shaft fits perfectly inside " EMT conduit. Attachment screws included " EMT conduit guide post not included but easily found