De or het gasovenstand?

The correct Dutch article is:

de gasovenstand

How to use gasovenstand

the gasovenstandde gasovenstand
this gasovenstanddeze gasovenstand
that gasovenstanddie gasovenstand
our gasovenstandonze gasovenstand
your gasovenstandjouw gasovenstand
every gasovenstandelke gasovenstand
which gasovenstand?welke gasovenstand?
a big gasovenstand / the big gasovenstandeen grote gasovenstand, de grote gasovenstand