2-1/2" Oil Filled Vacuum Pressure Gauge - Stainless Steel Case, Brass, 1/4" NPT, Center Back Mount Connection -30HG/30PSI Lighting & Electrical Components Active ingredient: Paenibacillus popilliae (naturally

Active ingredient: Paenibacillus popilliae (naturally occurring soil bacterium)

- Super efficient thanks to 2 powerful UV lights and CO2

and Light Sensor

and debris while maintaining excellent airflow

it meets the demands of growing plants

2-1/2" Oil Filled Vacuum Pressure Gauge - Stainless Steel Case, Brass, 1/4" NPT, Center Back Mount Connection -30HG/30PSI Lighting & Electrical Components Active ingredient: Paenibacillus popilliae (naturally2 1 2" Oil Filled Vacuum Pressure Gauge Stainless Steel Case, Brass, 1 4" NPT, Center Back Mount Connection 30HG 30PSI 2 1 2" Liquid Filled Pressure Gauges Stainless Steel Case, Brass, 1 4" NPT, Center Back Mount Connection Dial Size: 1 1 2", 2", 2 1 2" or 4" Dial Sizes (Crimped Casing) Accuracy: + 3 2 3% Scale: Dual Scale PSI Bar Movement: Copper Alloy* Bourdon Tube: Copper Alloy* Window: Poly Carbonate Case: Stainless Steel case for protection in