Back-draft Shutters Systems And Irrigation Non-Abrasive Coating: Smooth PVC coating

Non-Abrasive Coating: Smooth PVC coating is gentle on plant stems and hands

but it could very well save an otherwise lost crop

Designed to replace Pro Core during the last three weeks of flowering

Promotes Plant Health: Supports overall plant health by regulating metabolic processes and nutrient absorption

Easy Maintenance: Simple to clean and maintain

Back-draft Shutters Systems And Irrigation Non-Abrasive Coating: Smooth PVC coatingThese handy additions to ductwork help reduce unwanted odours by closing ducting when the ventilation is turned off. Available in a variety of sizes, these shutters are especially useful for stopping cold air from entering your growing environment when fans are switched off. Back Draft Shutters are made from a galvanised steel case and have two spring loaded aluminium shutters.