Hi, I have to replace some halogen downlight bulbs in my apartment hallway. The shallow fittings have GY6.35 bases and transformers. The spec sheet says the bulbs are QT12 Lpax 50w GY6.35 . I have searched for 50w 12w bulbs with 38/40 degree beam and a bipin gy6.35 base in DIY stores and online but ...