Seedling & Growing Trays – 1020 Double Thick (with drainage holes)



  • Professional grade double-thick heavy duty black plastic trays
  • Greenhouse Industry Standard 10″ X 20″ interior growing area.
  • External Dimensions: 11″ X 21″ X 2-1/2″ deep (28 cm X 53 cm X 6 cm deep)
  • Canadian Manufacturer:  Injection Molded – manufactured from recycled plastic – polypropylene, which is BPA free.
  • “Food Safe” Designation.

500 in stock

Title Range Discount
Wholesale Carton Discounts (Units of 50) 50 - 50 5%
Wholesale Carton Discounts (Units of 50) 100 - 200 10%
Wholesale Carton Discounts (Units of 50) 250 - 450 15%
Wholesale Carton Discounts (Units of 50) 500 - 950 20%
Wholesale Carton Discounts (Units of 50) 1000 - 5000 25%


Seedling-Trays –1020 Double Thick (with drainage holes)

Better Trays for Better Growing

These professional-grade Seedling-Trays 1020 Double Drainage provide sturdy support for your propagation projects. Combine with our Propagation Heat Sheet for quick and easy germination.

Double Thick 1020 Seedling-Trays (with drainage)


  • Sturdy black plastic will last for years.
  • A compact system for easy planting.
  • Combine with our Propagation Heat Sheet for quick and easy germination.
  • Standard black plastic flats last several seasons and stack for space-saving storage.
  • Perfect for seed starting and wheatgrass production.
  • Use for Vegetative Starts and short term growth.
  • These Double Thick trays clean up quickly and easily ready for another round in no time.
  • Manufactured by SunBlaster who has been at the forefront of today’s Indoor Growing for over two decades.
  • Popular with professional growers and home gardeners across Canada.

External Dimensions: 11″ x 21″ x 2-1/2″ deep (28 cm x 53 cm x 6 cm deep)

Weight: 7.5 oz. – 214 g

Sunblaster Item No.: 1400221

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Sunblaster Lighting

Sunblaster Lighting is a Canadian manufacturer of quality horticultural products, including Grow-Light Gardens, complete with full-spectrum LED or T5HO lighting, as well as various styles of Seedling and Growing Trays.