Aquarium Sponge Filter Keep your aquarium water clean and healthy with this efficient aquarium sponge filter, designed for reliable filtration and easy maintenance. Key Features: Designed for use in aquariums to promote a cleaner and healthier environment for fish and aquatic plants Overall size: 8.5 x 4.5 x 18.5 cm (L x W x H) / 3.3 x 1.8 x 7.3 inches Sponge size: 8 x 4.5 cm (L x D) / 3.1 x 1.8 inches Connector hole diameter: 1.8 cm / 0.7 inches for easy attachment to compatible air pumps or tubing Made from durable plastic and quality sponge for longlasting performance Lightweight design, net weight: 30 g Color: Black for a discreet appearance inside your tank Benefits: Provides gentle yet effective filtration, ideal for fish that require a calmer water flow Sponge surface supports beneficial bacteria growth to aid in biological filtration Simple construction allows for quick cleaning and easy replacement when needed Application Examples: 1. Suitable for small to mediumsized aquariums housing tropical fish, shrimp, or fry, providing safe filtration without harming delicate inhabitants 2. Effective as a supplemental filter in larger tanks to enhance water quality alongside primary filtration systems 3. choice for breeding tanks where gentle water circulation is needed to protect eggs and young fish This sponge filter combines practicality, durability, and ease of use, making it a dependable solution for maintaining aquarium conditions.