Bass speakers for 212rh cabinet, help!

i recently purchased a mm hd130 head with a 212rh cabinet that i;'m going to be playing bass with. i dont want to destroy the speakers int he cab and i was woindering if anyone knew of good bass speakers to replace the guitar speakers in the rh212 with. thanks alot

Eminence makes some kick ass bass speakers thatthey call their delta and beta line. Good prices too. I just lost my other guitar player who I switched off with and played a couple of sets of bass or I'd replace the 15 in my Hatke cab with one. I play bass(when I do now) through 1-15 and 2-10's. Mike.