Puro-Kleen™ Kleen-Guard Pond & Aquarium Filter Media 12″ x 72″, Pack of 2 (12 Feet Total) Review AuntWrecker February 28, 2018 August 4, 2018 No Comments on Puro-Kleen™ Kleen-Guard Pond & Aquarium Filter Media 12″ x 72″, Pack of 2 (12 Feet Total) Review Puro-Kleen™ Kleen-Guard pond and aquarium filter media.