These pumps are specially designed for convenient and accurate dispensing of WEST SYSTEM 105 Epoxy Resin® and WEST SYSTEM hardeners.

The mini pumps mount directly on the resin and hardener containers and have been calibrated to deliver an accurate working ratio.

If you are using 105 Epoxy Resin with 205 Fast Hardener® or 206 Slow Hardener®:

• use the 301-5A set (5:1 by volume) to fit the A Pack size
• use the 301-5B set (5:1 by volume) to fit the B Pack size
• use the 301-5C set (5:1 by volume) to fit the C Pack size

We also have available, 301 Special Ratio Mini Pumps designed specifically for dispensing of mixtures of the WEST SYSTEM 105 Epoxy Resin® and 207 Special Clear Hardener™ or 209 Extra Slow Hardener™.

Warning: do not use 301 Special Ratio Mini Pumps with 205 Fast Hardener® or 206 Slow Hardener®.