6-inch opening for easy filling and servicing of pump. Enlarged Strainer basket with rigid gasket helps fill without splashing. Built-in carrying handle makes cap removal easy and carrying the unit a breeze. Translucent tank helps monitor fluid level. Metal base rails allow unit to stand upright while unattended and during storage/transfer. Cushion grip shut-off with Viton® 0-rings. Reinforced hose. Sprays up to 58 gallons on a full charge with 2 hours of run-time.