Stealth Filtration Carbon Filter 45s pH & Calibration Solution known for being stackable and

known for being stackable and food-grade compliant

The 8" slab is mainly for extremely vigorous crops such as cucumbers that require a strong and stable base and a large root capacity

peat‑based mixes

spring-loaded

Stealth Filtration Carbon Filter 45s pH & Calibration Solution known for being stackable andThe 45cm Stealth Filtration carbon filter was created with a slender form and to be paired faultlessly with a Stealth in line fan. This slim unit has a diameter hole that is matched with the 4 Stealth fan. The 4 in line model has a similar CFM rating, which will allow for sufficient contact time between the air and carbon bed. Your carbon filter should have an equal or 20% higher CFM rating than the in line fan it is paired with to reduce wind