The dropping funnel allows a dosed addition of solutions. Due to the pressure compensation tube a possible under- and overpressure is prevented.– Complies with DIN ISO 4800 – With pressure equalisation tube, standard ground cone, standard ground stopcock and retaining device – The rate of supply can be adjusted – Cylindrical with scale – Tight closure due to standard ground joint – Fired-on, highly durable white print – Easy-to-read scale with graduation marks to estimate the content The dropping funnel allows a dosed addition of solutions. Due to the pressure compensation tube a possible under- and overpressure is prevented.– Complies with DIN ISO 4800 – With pressure equalisation tube, standard ground cone, standard ground stopcock and retaining device – The rate of supply can be adjusted – Cylindrical with scale – Tight closure due to standard ground joint – Fired-on, highly durable white print – Easy-to-read scale with graduation marks to estimate the content