Thermoflo Back Draft Damper pH allows the penetration of water

allows the penetration of water and subsequent release of the fertilizer into the soil

Complements mineral-based nutrients with highly available carbon-based inputs

which in turn provide key compounds directly to plant roots

Commonly used for transferring water

In addition to feeding plants

Thermoflo Back Draft Damper pH allows the penetration of waterBenefits of the Backdraft Dampers Specifically designed to be used with ThermoFlo flexible ducting Designed to allow airflow in one direction Minimum air leakage design Aluminum spring loaded backdraft damper blades 20 gauge steel housing Simple installtion entire assembly inserts into duct Can be installed in any position Designed for vertical or horizontal mount Exterior foam gaskets assure a tight seal