Unlike upstream injectors, which adds detergents before the pump, downstream injectors work effectively at lower pressure settings and are especially long-lasting.

I spoke to an expert to learn how to fix a pressure washer. He gave me 8 easy fixes that can save you hundreds of dollars in repairs ...

A soap-injection tube is attached to the Road Wave to apply any soaps or detergents as desired. See All 7 Photos ...

Pressure washer accessories like turbo nozzles, trigger spray guns, lances, and detergent injectors are a few of the easy-to-install attachments that can increase the effectiveness of your machine.

Before filling your Ryobi pressure washer, it's important to know the types of soaps you can and can't use. Here's what the manufacturer recommends.

A soap-injection tube is attached to the Road Wave to apply any soaps or detergents as desired. See All 7 Photos ...