Filter Circles, 15mm Dia, Grade 1, 500/pk (1001-0155) Provides a barrier from external

Provides a barrier from external fluids and contamination

X-Heavy Absorbency

Vairity Pack 50/bx Products cannot be sold on Amazon

48/cs (Continental US Only

Filter Circles, 15mm Dia, Grade 1, 500/pk (1001-0155) Provides a barrier from externalWhatman filter papers are world renowned as the standard for laboratory filtration and are associated with quality, reliability and customer service. Manufactured from high quality cotton linters, which have been treated to achieve a minimum alpha cellulose contact of 98%. Used for general filtration and exhibit particle retention levels down to 2. 5 m. Used in qualitative analytical techniques to determine and identify materials. Offers a wide choice