Hito Aqua Barrier PAP Pen - Free Sample - Restrictions Apply

Try It Before You Buy It 
For certain products, customers can order free samples for testing purpose before purchasing the standard products. Customers only need to pay for the shipping and handling fee. Free samples are only available for researchers in the universities, colleges or research institutions. Limit one free sample per customer or address. We reserve the right to limit the distribution of free samples. If you have any questions about the free samples or have problems ordering free samples online, please contact our Customer Service center.

PAP Pen is designed to provide a water repellant barrier when a circle is drawn around mounted tissue on slide, it is suitable for Immunohistochemistry, fluorescent staining and traditional chemical staining, the barrier of the PAP PEN retains solution within the defined area and ensures, that only the amount of solution needed for sufficient reaction is used, the designed multi-size tip (1 mm and 4 mm) of the Hito Aqua Barrier PAP Pen is especially useful when working with multiple small sections or one big section on a single slide. The water repellent circle is insoluble in alcohol and can be removed if desired by xylene after the staining procedure.