RJ12 Splitter Hub（SPH-1） Water Pumps Aeration & Irrigation Spectral distribution is optimized for

Spectral distribution is optimized for photosynthetic efficiency

Features a speed controller utilizing PWM which can control the fan's speed without generating noise

Looking for Diversity in your Compost Tea Brew

and robust stalk and root growth

The strap can be hung on the wall or used over your shoulder

RJ12 Splitter Hub（SPH-1） Water Pumps Aeration & Irrigation Spectral distribution is optimized forThe SPH 1 Splitter Hub from TrolMaster makes installation of our controllers as easy as plugging in a phone cable. The SPH 1 hub uses a single RJ12 cable input jack, and provides (8) individual RJ12 output jacks that can be connected to various TrolMaster sensors, adapters and device modules. Using the SPH 1 allows for a "clean" installation and eliminates the need for daisy chain Y splitters to be used to interconnect multiple modules or sensors. The