Aquatic ExpertsBio Balls Filter Media Bulk, 1.5 Inch Large Bio Balls for Pond & Aquarium Filters, Pond Filter Media for Outdoor Ponds, (100 Count with 10" x 12" Mesh Bag, 1.5 Inch)

Aquatic Experts Bio Balls Filter Media Bulk, 1.5 Inch Large Bio Balls for Pond & Aquarium Filters, Pond Filter Media for Outdoor Ponds, (100 Count with 10" x 12" Mesh Bag, 1.5 Inch)

Classic Koi Pond Filter Pad FINE - White Bulk Roll Pond Filter Media, Ultra-Durable Pond Filters for Outdoor Ponds, Reusable Fish Pond Filter Material, USA, Aquatic Experts (3/4" - 1" x 12" x 72")