Amazon.com : ALEGI Aquarium Filter Sponge Pad 30/40 PPI Bio Sponge Filter Media Cut-to-Size Foam for Fish Tank (11.8" x 7.8" x 1.2" 30PPI) : Pet Supplies
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API® | FILTRATION 30 PPI
a) Pore diameter distribution of 10 and 30 ppi filter, b) collector... | Download Scientific Diagram
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Aquarium Sponge Filters: Cheap Mechanical and Bio Filtration
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Pre-filter Foam Set of 6 for the BioMaster 45 ppi – OASE Living Water
Oase Carbon Pre-filter Foam Set of 6 for BioMaster | www.zooxae.com
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SpongeFirst Gray - Biological and Mechanical Aquarium Sponge Filter Pa – Aquatic Experts
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Haile Aquatic Bio Sponge Filter Media Pad Cut-to-fit Foam for Aquarium Fish Tank Koi Pond Aquatic Porosity 15 25 35 50 ppi - AliExpress Home & Garden
Uni Filter Bulk Coarse Foam Filter (40 PPI) - 12in. x 16in.x 3/8in. - Red
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Green/Fine Foam Sheet 12" x 16" x 5/8" 65 PPI | Uni Filter
MC32692 - Multicomp Pro - Fan Filter Media, 45 PPI, 60 mm
20" x 25" x 1" PPI 30 Foam/Aluminum Washable Air Filter
Uni Filter Fine Foam Filter 65 PPI 12in. x 16in.x 5/8in. - Green 804451070335 | eBay
24" x 24" x 1" PPI 20 Foam/Aluminum Washable Air Filter
Poret® Foam Shop - SWISSTROPICALS
EKI 5566: filter foam | Custom-made, any quantity
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Air Filter Foam Sheet, Red (40 PPI Medium), 12 x 16 x 3/8 - Pegasus Auto Racing Supplies
