Control Device

Explore Control Device for wholesale cultivation, hydroponics and garden-supply operations. The subcategories below organize related products so retailers and commercial customers can move directly to the equipment, components and consumables they need. Product counts include active items within each subcategory and its children. Select a card to browse product details and availability. Approved wholesale customers can sign in to view the pricing assigned to their account, while new businesses can submit a wholesale application for review. If you are planning a larger, palletized or specialized order, contact Holland Industry for product-selection, pickup and shipping support before placing the order.

Environmental Controllers

14 active products

Browse wholesale Environmental Controllers products, specifications and availability.

Timers & Cycle Timers

3 active products

Browse wholesale Timers & Cycle Timers products, specifications and availability.

Dehumidifiers & Climate

10 active products

Browse wholesale Dehumidifiers & Climate products, specifications and availability.

Accessories, Cables & Parts

3 active products

Browse wholesale Accessories, Cables & Parts products, specifications and availability.