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Water Filter Gravel
Color: yellow/brown
Shape: sub-angular, fractured
Hardness: 7 – 8 on MOH scale
Bulk Density: 100 lbs per cubic foot
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Red Flint Sand and Gravel water filter gravel is composed of sub-angular, hard, durable, and dense grains of predominately siliceous material. Extracted from a clean glacial deposit, Red Flint Sand and Gravel’s physical properties make it among the finest available in the world for water filtration applications. Red Flint water filter gravel is washed, kiln dried, and screened to meet EXACTING specifications with strict adherence to quality control.
Red Flint also specializes in custom grades of sand and gravel to meet your stringent specifications.
Red Flint Gravel Filtration Media Selection Guide
RED FLINT FILTRATION GRAVEL SELECTION GUIDE
TYPICAL SIEVE ANALYSIS - PRIMARY GRADES
| Product Size |
2½ x 1½ |
1½ x 3/4 |
3/4 x 1/2 |
5/8x
3/8 |
½ x ¼ |
3/8x 3/16 |
1/4x 1/8 |
3/16x 3/32 |
1/8 x 1/16 |
| US MESH |
INCH |
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| 2 1/2" |
2.500 |
98 |
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| 2.0" |
2.000 |
65 |
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| 1 1/2" |
1.500 |
6 |
98 |
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| 1.0" |
1.000 |
1 |
44 |
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| 7/8" |
0.875 |
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24 |
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| 3/4" |
0.750 |
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5 |
97 |
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| 5/8" |
0.625 |
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1 |
51 |
98 |
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| 1/2" |
0.500 |
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4 |
66 |
98 |
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| 3/8" |
0.375 |
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1 |
4 |
68 |
98 |
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| 1/4" |
0.25 |
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1 |
6 |
18 |
98 |
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| 4 |
0.19 |
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1 |
4 |
67 |
99 |
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| 5 |
0.16 |
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35 |
90 |
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| 6 |
0.13 |
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8 |
64 |
98 |
| 1/8" |
0.13 |
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6 |
18 |
96 |
| 7 |
0.11 |
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2 |
10 |
75 |
| 8 |
0.09 |
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6 |
48 |
| 10 |
0.08 |
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2 |
18 |
| 12 |
0.07 |
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3 |
| 14 |
0.06 |
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DISCLAIMER: The information set forth in this Product Data Sheet represents typical properties of the product described; the information and the typical values are not specifications. Red Flint Sand & Gravel, LLC makes no representation or warranty concerning the Products, expressed or implied, by this Product Data Sheet
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