Schaefer Versa-Kool Circulation Fan grow-light-reflectors These are standard 1020 trays

These are standard 1020 trays with the exception that they are four times the thickness of traditional trays

900 µmol in the key 400-700nm range

5 lbs 36½” x 32″ x 12½” 37

coarse peat moss

Schaefer Versa-Kool Circulation Fan grow-light-reflectors These are standard 1020 traysSchaefer Versa Kool High Velocity Greenhouse Fan, 12" Reduce heat stress and improve air quality with Schaefer's uniquely designed circulation fans. Unrivaled in the market, these fans are engineered to produce greater air movement and superior cooling no matter the application. You don't hear them. You don't see them. You only feel them! Also known as Horizontal Air Flow (HAF) fans, these fans move air in a coherent horizontal pattern creating a