Grade 4 Qualitative Filter Paper Standard Grade, circle, 90 mm A standard grade filter used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical. These cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters.
Free on orders greater than £75
Free on orders greater than £250
Filter papers No 4 dia 9.0cm 100/PKItem #: FTP060040
Filter papers No 4 dia 9.0cm 100/PK
29 in stock
UK mainland (excluding Northern Island, Scottish Islands, Channel Islands and the Isle of Wight) :
Orders less than £75.00 are subject to a £7.50 carriage and packing charge.
Free delivery is available on all standard stock orders over £75.00 (exclusive of VAT, Hazardous Chemical Delivery Surcharge)
Northern Island, Isle of Man, Scottish Islands, Channel Islands and Scilly Isles:
Orders less than £250.00 are subject to a £12.00 carriage and packing charge.
Free delivery is available on all standard stock orders over £250.00 (exclusive of VAT, Hazardous Chemical Delivery Surcharge)
We ship to most countries and carriage is quoted as extra. Please contact our international team for further information.