zerk grease fitting covers

[qbc3]

Does anyone know where rubber zerk fitting covers can be purchased. I've used vacuum covers, but they keep coming off. I'm just looking for a way to keep the fittings clean and ready for grease.

 

[acelliott]

You can find them here.

http://www.niagaraplastics.com/prodnonthrcap.asp?site=grea_gf.htm