Filtration Media

Code	Group	Product	Material	Approx Surface Area ( m²/m³ )	Suitable for Freshwater and Marine Use?	Trickle Tower Bio-Filtration/Re-Gas?	Pressurised Filter Mechanical Filtration?	Pressurised Filter Mechanical and Biological Filtration?
					Applications
7054	FR	Plastic Media TMC Bio-Rings 1" per litre	Polypropylene	210	Yes	Yes	No	No
7055	FR	TMC Bio-Rings 1¹/₂" per litre	Polypropylene	130	Yes	Yes	No	No
1700	FR	HSA Media per litre	HDPE	800	Yes	No	No	No
1702	FR	Curler Advanced Media	Polypropylene	800	Yes	No	No	No
5152	TD	Aggregate Media Oolitic Sand #1 per 25kg	Aragonite	N/A	Yes	No	Yes	Yes
5154	TD	Oolitic Gravel #3 (fine) per 25kg	Aragonite	N/A	Yes	No	Yes	Yes
5158	TD	Oolitic Gravel #5 (medium) per 25kg	Aragonite	N/A	Yes	No	Yes	Yes
5156	TD	Oolitic Gravel #10 (coarse) per 25kg	Aragonite	N/A	Yes	Yes	Yes	Yes
5159	TD	Graded Fluidised Sand per 25kg Filter Media #2	Aragonite	N/A	Yes	*	*	*
5161	DR	AFM Media (grade 1) per 25kg 0.5mm-1.0mm	Inert Smooth Silica Sand	N/A	Yes	No	Yes	No
5162	DR	AFM Media (grade 2) per 25kg 1.0mm-2.0mm	Inert Smooth Silica Sand	N/A	Yes	Yes	No	No
5164	FR	Bio-Glass per litre	Silicate	N/A	Yes	Yes	No	No
5165	FR	Bio-Glass per 3 litres	Silicate	N/A	Yes	Yes	No	No

* Specially graded sand with uniform particle size for use in fluidised sand bed filters.