Cask Sale Nights in Cardiff

Having a look on the excellent Brains website I came across this special offer currently running in a few Cardiff pubs:
All casks ales just £1.99 from 5pm
This offer is valid at the following pubs on the following nights;

Admiral Napier, Cardiff: Monday & Tuesday
Birchgrove, Cardiff: Monday & Tuesday
Hollybush, Cardiff: Monday
Pontygwindy, Caerphilly: Monday

A good chance to down the excellent Brains Legends beer at a very good price.