AC Infinity Australian Charcoal Carbon Air Duct Filter XL, 4" Mycorrhizae & Beneficial Bacteria For use before and after

For use before and after measurements

Easy to use as a simple flowering fertilizer for soil and soilless container gardens

This versatile dry amendment delivers slow-release nutrients that feed both your plants and the beneficial microbes in your soil

Duct size: 8” | Dimensions: 7

and temperature in hydroponic nutrients solutions

AC Infinity Australian Charcoal Carbon Air Duct Filter XL, 4" Mycorrhizae & Beneficial Bacteria For use before and afterAC Infinity Carbon Air Duct Filter XL 4" Designed to eliminate odors and chemicals for grow tents and hydroponics room. Features premium grade Australian charcoal with higher adsorption and longer life rating. Extra large size contains larger carbon bed for longer lifespan while maximizing airflow passthrough. Includes two prefilter cloths and two rope hangers; built with aluminum flanges and stainless steel meshing. Duct Opening: 4 Length: 16"