Filter Paper
Filter Paper Grade 3 Sheets, 460 x 570mm (100/pk)
Whatman
• Grade 3: 6 µm <p>
• Double the thickness of Grade 1 with still finer particle retention and excellent loading capacity; more precipitate can be held without clogging <p>
• The extra thickness gives increased wet strength and makes this gra
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Filter Paper Grade 4 Circles, 27mm (400/pk)
Whatman
• Grade 4: 20-25 µm <p>
• Extremely fast filtering with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide <p>
• Very useful as a rapid filter for routine clean-up of biologica
$0
Filter Paper Grade 4 Circles, 42.5mm (100/pk)
Whatman
• Grade 4: 20-25 µm <p>
• Extremely fast filtering with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide <p>
• Very useful as a rapid filter for routine clean-up of biologica
$0
Filter Paper Grade 4 Circles, 47mm (100/pk)
Whatman
• Grade 4: 20-25 µm <p>
• Extremely fast filtering with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide <p>
• Very useful as a rapid filter for routine clean-up of biologica
$0
Filter Paper Grade 4 Circles, 50mm (100/pk)
Whatman
• Grade 4: 20-25 µm <p>
• Extremely fast filtering with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide <p>
• Very useful as a rapid filter for routine clean-up of biologica
$0
Filter Paper Grade 4 Circles, 55mm (100/pk)
Whatman
• Grade 4: 20-25 µm <p>
• Extremely fast filtering with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide <p>
• Very useful as a rapid filter for routine clean-up of biologica
$0
Filter Paper Grade 4 Circles, 70mm (100/pk)
Whatman
• Grade 4: 20-25 µm <p>
• Extremely fast filtering with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide <p>
• Very useful as a rapid filter for routine clean-up of biologica
$0
Filter Paper Grade 4 Circles, 90mm (100/pk)
Whatman
• Grade 4: 20-25 µm <p>
• Extremely fast filtering with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide <p>
• Very useful as a rapid filter for routine clean-up of biologica
$0
Filter Paper Grade 4 Circles, 110mm (100/pk)
Whatman
• Grade 4: 20-25 µm <p>
• Extremely fast filtering with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide <p>
• Very useful as a rapid filter for routine clean-up of biologica
$0
Filter Paper Grade 4 Circles, 125mm (100/pk)
Whatman
• Grade 4: 20-25 µm <p>
• Extremely fast filtering with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide <p>
• Very useful as a rapid filter for routine clean-up of biologica
$0
Filter Paper Grade 4 Circles, 150mm (100/pk)
Whatman
• Grade 4: 20-25 µm <p>
• Extremely fast filtering with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide <p>
• Very useful as a rapid filter for routine clean-up of biologica
$0
Filter Paper Grade 4 Circles, 185mm (100/pk)
Whatman
• Grade 4: 20-25 µm <p>
• Extremely fast filtering with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide <p>
• Very useful as a rapid filter for routine clean-up of biologica
$0
Filter Paper Grade 4 Circles, 240mm (100/pk)
Whatman
• Grade 4: 20-25 µm <p>
• Extremely fast filtering with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide <p>
• Very useful as a rapid filter for routine clean-up of biologica
$0
Filter Paper Grade 4 Circles, 270mm (100/pk)
Whatman
• Grade 4: 20-25 µm <p>
• Extremely fast filtering with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide <p>
• Very useful as a rapid filter for routine clean-up of biologica
$0
Filter Paper Grade 4 Circles, 320mm (100/pk)
Whatman
• Grade 4: 20-25 µm <p>
• Extremely fast filtering with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide <p>
• Very useful as a rapid filter for routine clean-up of biologica
$0
Filter Paper Grade 4 Circles, 400mm (100/pk)
Whatman
• Grade 4: 20-25 µm <p>
• Extremely fast filtering with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide <p>
• Very useful as a rapid filter for routine clean-up of biologica
$0
Filter Paper Grade 4 Reel, 1.5 x 4.5 inch (outer diameter 63mm)
Whatman
• Grade 4: 20-25 µm <p>
• Extremely fast filtering with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide <p>
• Very useful as a rapid filter for routine clean-up of biologica
$0
Filter Paper Grade 4 Sheets, 460 x 570mm (100/pk)
Whatman
• Grade 4: 20-25 µm <p>
• Extremely fast filtering with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide <p>
• Very useful as a rapid filter for routine clean-up of biologica
$0
Filter Paper Grade 4 Sheets, 58 x 58cm (100/PK)
Whatman
• Grade 4: 20-25 µm <p>
• Extremely fast filtering with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide <p>
• Very useful as a rapid filter for routine clean-up of biologica
$0
Filter Paper Grade 5 Circles, 42.5mm (100/pk)
Whatman
• Grade 5: 2.5 µm <p>
• Capable of retaining the fine precipitates encountered in chemical analysis <p>
• Slow flow rate <p>
• Excellent clarifying filter for cloudy suspensions and for water and soil analysis <p>
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