Schaefer HAF Fan brand_dramm Do you offer 13-foot by

Do you offer 13-foot by 5-foot sheets of 1/4-inch thick twinwall polycarbonate for greenhouse construction

stainless steel ball bearings for optimal stability and accuracy

Dimensions: 31 in

large shrubs

Schaefer HAF Fan brand_dramm Do you offer 13-foot byReduce heat stress and improve air quality with Schaefer's uniquely designed circulation fans. Unrivaled in the market, these greenhouse 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 ceiling mount fans move air in a coherent horizontal pattern, creating the gentle "racetrack" airflow