This fish tank hose reducer fitting is constructed with reliable plastic material, which practical and sturdy for lasting use. Simple and sleek appearance design. Practical aquarium hose adapter, meet your needs. Nice accessory for home aquarium. Features -Color:As Shown -Material:Plastic -Size:7.70X2.80X1.10cm/3.03X1.10X0.43in -Four-heads hose adapter：2.4mm(for hose inner diameter 1-3mm), 3.9mm(for hose inner diameter 2-4mm), 4.8mm(for hose inner diameter 4-6mm), 6.4mm(for hose inner diameter 5-7mm) -Five-heads hose adapter：2.4mm(for hose inner diameter 2-4mm), 3.9mm(for hose inner diameter 2-4mm), 4.8mm(for hose inner diameter 3-5mm), 6.4mm(for hose inner diameter 5-7mm). - fitting design allows for quick or easy installation. Convenient and practical. -Suitable for both professional and DIY projects, this product is versatile and user-friendly. -Good and anti-wear plastic construction ensures resistance to corrosion. -This versatile accessory can be used for various applications, such as fish tank filter hose and water . -It has the characteristics of strong connection, high pressure resistance, good sealing and repeatability. Package list: 12 x four-heads hose adapter 12 x five-heads hose adapter