to get really "knocked out" so to speak

5mm diffuser downstem with a ground joint

which is not only cool to look at - but also delivers impressive filtration

just add a few drops into your piece with every water change and enjoy fresh

GRAV® Rocker Steamroller with Silicone Skin Rolling Tray to get really "knocked out"Just when you think GRAV can't get more innovative with their already impressive collection, here they come with an upgrade on the traditional steamroller design. The Rocker Steamroller functions as a standard steamroller, with a carb on the end and a direct air path that delivers huge hits but keeps you in control. But this piece features a flat, curved body, which doesn't only stand out in the crowd but also makes it more comfortable to use. The