It also offered other incentives, like one year of free maintenance, and sold all 40 units by 1993.

What's more, a solar system is virtually maintenance free.

Most home putting greens are made of synthetic turf, which is generally maintenance free.

He also liked the fact that the apartment was maintenance free.

There are no moving parts and such a device is maintenance free.

Synthetic jet air movers have no moving parts and are thus maintenance free.

Mazda offered to buy back the cars or to give owners $500 and free maintenance for the life of the vehicle.

It is maintenance free and has a 15-year warranty.

The chain is pre-packed with grease and virtually maintenance free.

It uses single access tracking that is designed to be maintenance free over the twenty year design life of the system.