Filter Papers, Qualitative Standard Grade 4 (Whatman)

Grade 4: 20-25 ┬Ám with excellent retention of coarse particles and gelatinous precipitates. Used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical.

Filter
Item No. Alt. Part No. Diameter Mfr. Item No. Unit of Measure Your Cost Purchase
Filter Papers, Qualitative Standard Grade 4 (Whatman)
3255-35
EF8352B 5.5 cm 1004-055 Pack of 100
$15.93/PK
Add to Cart This item is not currently stocked. Allow 1-2 weeks. Please call us at 800-328-8378 if you'd like us to keep stock in the future In Stock
Filter Papers, Qualitative Standard Grade 4 (Whatman)
3255-36
EF8352C 7 cm 1004-070 Pack of 100
$15.93/PK
Add to Cart This item is not currently stocked. Allow 1-2 weeks. Please call us at 800-328-8378 if you'd like us to keep stock in the future In Stock
Filter Papers, Qualitative Standard Grade 4 (Whatman)
3255-37
EF8352D 9 cm 1004-090 Pack of 100
$18.99/PK
Add to Cart This item is not currently stocked. Allow 1-2 weeks. Please call us at 800-328-8378 if you'd like us to keep stock in the future In Stock
Filter Papers, Qualitative Standard Grade 4 (Whatman)
3255-38
EF8352E 11 cm 1004-110 Pack of 100
$24.14/PK
Add to Cart This item is not currently stocked. Allow 1-2 weeks. Please call us at 800-328-8378 if you'd like us to keep stock in the future In Stock
Filter Papers, Qualitative Standard Grade 4 (Whatman)
3255-39
EF8352F 12.5 cm 1004-125 Pack of 100
$30.94/PK
Add to Cart 6 In Stock 6 In Stock
Filter Papers, Qualitative Standard Grade 4 (Whatman)
3255-40
EF8352G 15 cm 1004-150 Pack of 100
$39.58/PK
Add to Cart This item is not currently stocked. Allow 1-2 weeks. Please call us at 800-328-8378 if you'd like us to keep stock in the future In Stock