Marine Metal Bubble Box Air Pump

DICK'S Sporting Goods

Brand 'Marine Metal Products' matches exactly, Product name 'Bubble Box Portable Air Pump' matches exactly, Model 'RB-1' matches exactly, Unit design, color, and form factor are identical, Control panel layout and digital display match, All visible features (battery, flow, mode settings) are identical, Included accessories (cable, adapter, tubing) match, Retail packaging is identical

Marine Metal Baby Bubbles B-18

Grapentin Specialties

Same parent brand ('Marine Metal Products'), Both are portable aquarium air pumps

Tetra Whisper Aquarium Air Pump

Walmart

Both are aquarium air pumps