Filter Media

 

Activated Carbon

 
Grade
Coal Base4 mm pellets
Coal Base4 x 8
Coal Base4 x 10
Coal Base8 x 30
Coal Base12 x 40
Coal Base12 x 40 acid washed
Coal Base20 x 50
Coal Base200 powder
Coal Base325 powder
Coconut Shell4 x 8
Coconut Shell4 x 10
Coconut Shell12 x 30
Coconut Shell20 x 50
Coconut Shell200 powder
Coconut Shell325 powder

Anthracite

  
GradeSize (inches)Size (millimeters)
Number 13/32 x 3/640.60 - 0.80
Number 1 1/23/32 x 3/640.85 - 0.95
Number 23/16 x 3/321.70 - 4.00
Number 35/16 x 3/164.00 - 6.30
Number 49/16 x 5/166.30 - 11.20
Number 513/16 x 9/1611.20 - 17.50
Number 61 5/8 x 13/1617.50 - 34.10
Number 72 7/16 x 1 5/834.10 - 62.00

Filter Sand

Size (millimeters)
0.25 - 0.50
0.35 - 0.45
0.40 - 0.60
0.40 - 1.00
0.45 - 0.55
0.55 - 0.65
0.80 - 1.20
0.80 - 2.00
1.00 - 2.00
1.20 - 1.60

Filter Gravel

 
Size (inches)Size (millimeters)
2 1/2 x 1 1/264 - 38
1 1/2 x 3/438 - 19
3/4 x 1/219 - 13
3/4 x 1/419 - 0.64
1/2 x 1/413 - 6.4
1/2 x 3/1613 - 4.8
3/8 x 3/169.5 - 4.8
3/8 x 1/89.5 - 3.2
1/4 x 1/89.5 - 3.2
3/16 x 10 Mesh4.8 - 2.0
1/8 x 1/163.2 - 1.6