Titan Controls Atlas 3 - Day-Night CO2 Monitor-Controller Plant Support Tools and Gears The #4 is the largest

The #4 is the largest perlite on the market and averages a whopping size of around 1 inch

Uni-Slab has the benefits of a slab with the versatility of a block

Compatible with Titan Controls® CO2 Controllers or other 120 Volt controllers and timers

Powder free nitrile black glove

rooting cuttings and/or low-light growing conditions

Titan Controls Atlas 3 - Day-Night CO2 Monitor-Controller Plant Support Tools and Gears The #4 is the largestControls and monitors CO2 from 0 to 2000 parts per million (PPM). CO2 enrichment or CO2 exhaust features. Easy to set up and operate. Enclosure resists dust, rust and moisture. 5 Amps maximum 120 Volts 60 Hz.