Supreme Aqua-Mag 2 - 7 Magnetic Drive Pre-Filter Foam Subset_3/4 inch Plumbing Fluval C4 Poly/Foam Pad effectively

Fluval C4 Poly/Foam Pad effectively performs the first and second stages of mechanical filtration

12 outlet metal manifold

The color change will be noticeable and detects small but significant fluctuations within minutes

Calcium Powder

multi-part system or any extra equipment

Supreme Aqua-Mag 2 - 7 Magnetic Drive Pre-Filter Foam Subset_3/4 inch Plumbing Fluval C4 Poly/Foam Pad effectivelyReplacement Foam Prefilter for Mag Drive Models: 250 GPH, 350 GPH, 500 GPH, 700 GPH and Hydro Air 1200 Pumps. Pondmaster Also works great for planted and shrimp aquariums using Fluval 103 407 Canister Filters Has a slotted plastic sleeve in ID 1" x 3" Long Danner Dimensions BFA Item # Pre FIlter Foam Mag Drive Small 4" x 2" OD 1" ID DA12505