Viagrow Horticultural Perlite Size:4 Cubic Feet High-capacity SAM HEPA® pre-filter cartridge

High-capacity SAM HEPA® pre-filter cartridge captures particulates down to 0

Seeds can be propagated much earlier using artificial light

Thermal Overload ProtectionAutomatically shuts down the motor during overheating or voltage spikes to protect internal components and ensure reliable operation

Adaptable to all soil media types

The adjustable hanging straps and 3 duct clamps simplify the process of connecting the inline fan

Viagrow Horticultural Perlite Size:4 Cubic Feet High-capacity SAM HEPA® pre-filter cartridgeSustainable, made in the USA. Viagrow perlite is one of the most sustainable substrates, perfect for propagation and greenhouse cultivation. Perlite is a naturally mined mineral that heats up during processing, causing its particles to explode and expand in volume. The result is a great inorganic and dirt free medium. All Viagrow perlite is mined, heated and packed in the United States. Neutral pH: Viagrow perlite is clean, sterile, non flammable, pH