Can Max-Duct Options:Can Max-Duct 4" Vinyl, 25 ft The RH sensing element is

The RH sensing element is protected against dust

Model 5558 Control

The blend of premium inputs are mixed at the perfect ratios to be fully utilized by all plant types

which allows the plant to maintain fullu-accelerated growth patterns

and to protect against water damage

Can Max-Duct Options:Can Max-Duct 4" Vinyl, 25 ft The RH sensing element isMAX DUCT PVC is simply the best! Possibly the strongest REUSEABLE duct on the market with a cost similar to the leading competitor's regular 3 ply duct. MAX DUCT is manufactured with triple foil laminate with very durable black PVC with UV inhibitors coating in 25' lengths and complete with 2 clamps for ease of installation.