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Ships within 48 hours · Estimated delivery Sep 8 - Sep 13
Blocks measure 1 1/8" x 1 1/8" x 1 1/8"
3% of manganese
This gauge is great for use with water systems
easing temperature regulation for optimal plant growth
Commercial Greenhouse Grower
Active Air Pre-Filter for ACCF144, 4" x 14" Grow Light Reflectors Blocks measure 1 1/8" xDescription Extend the Effective Life of Your Active Air Carbon Filter: You can do this by using a corresponding Active Air pre filter. These pre filters are designed to block larger particulate matter such as dust and dirt from clogging the working surface of your filter. This enables your carbon filter to operate at top efficiency for much longer. When the pre filter becomes visible dirty and discolored after several weeks, it can simply be
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