ONA Linen Fresh - Odour Neutralising Agent Block - 225mL varo__300mm Platinum Silicone Mat - 20

Platinum Silicone Mat - 20 cm round

2 Hub Screws

perlite etc

Precision CO2 Control: Easily adjust and maintain accurate CO2 levels for ideal plant growth conditions

ONA Linen Fresh - Odour Neutralising Agent Block - 225mL varo__300mm Platinum Silicone Mat - 20Introducing Ona Pro Active Odour Block 225mL Odour Neutralising Agent Solid Block is ideal for placing in internal ventilation systems to eliminate odours in office or household environments or used in small areas such as cupboards and closets or even cars and caravans (for larger space not in a ventilation system, we would recommend the gel). To use, you simply remove the lid or cover and place in the target area. The block works by surface area