Flask – Laboratory
Erlenmeyer flask or conical flask – Erlenmeyer flask, Tit-ration, or conical flask is a type of laboratory flask which features a flat bottom, a conical body, and a cylindrical neck
Büchner flask or sidearm flask — a thick-walled conical flask with a short hose-connection tube on the side of the neck.
Florence flask — a flask with a round body and one longer neck without a ground glass joint.
Volumetric flask — for preparing liquids with volumes of high precision. It is a flask with an approximately pear-shaped body and a long neck with a circumferential fill line.
Kjeldahl flask – A round-bottomed flask that has a very long neck; it is used in the Kjeldahl method
Various size and brand are available.