YD4-1000S LONG FLIGHT TIME WATERPROOF QUADCOPTER FRAME
High-Precision waterproof quadcopter frame with Fast Speeds - Alibaba.com
Flying Quadcopter Under Water - Waterproof Drone - Oscar Liang
Splash Drone 3 a Fully Waterproof Drone that floats by SwellPro Team — Kickstarter
FDHI412 carbon fiber industrial drone frame
Flying Quadcopter Under Water - Waterproof Drone - Oscar Liang
SIYI E420P 20L Agriculture Sprayer Drone Solution with Water Tank 4 Axis Foldable Frame 1080P Smart Controller Waterproof FPV Camera Professional Flight Controller Smart Battery Fast Charger