Amazon.com : Mother Earth Perlite #3, Covers 4 cu. ft., Large and Coarse, Average Size 1/2 inch, For Hydroponic Use, Neutral pH : Growing Media : Patio, Lawn & Garden
Amazon.com: FULL Pallet (30/bags) Mother Earth Perlite #4 - 4 cu ft : Everything Else
Amazon EBC for CzGarden's Perlite and Vermiculite on Behance
Cosgrome's Amazon Favorites
Perligran Knob Perlite Medium 0-3 mm 100 L • For soil and substrate improvement • For optimal air and water flow • Horticulture (100 L) : Amazon.de: Garden
Amazon.com : Viagrow VPER4 4 cu. ft Perlite Made in USA, 1-Pack, White : Patio, Lawn & Garden
GROW!T #8 Perlite, 4 cu ft | Discounted Hydroponic Commercial Indoor & Outdoor Grow Supplies at GrowGeneration