I fitted Calibre Long Life replacement globes after the OEM ones failed. Have been fine for nearly 3 years.

As for A/C leak - check the low side valve under the cap. A common location for slow leaks.

For those who may have had issues with slow A/C refrigerant leaks - mine was finally sorted out: A/C wasn't working so after one refill it leaked out slowly after 4 months. TX valve replaced. 3 months later - out of refrigerant again! Low Side Valve found to have dye external to it under cap. Replac...