Fluval Ceramic Shaft Assembly, for Impellers w/Curved Fan Blades Only, 304, 404 192551507678 They are designed to maintain

They are designed to maintain proper oil clearance

Block size: 3

They are economical and lightweight for comfort and safety

Product Dimension: L18" W25

Fluval Ceramic Shaft Assembly, for Impellers w/Curved Fan Blades Only, 304, 404 192551507678 They are designed to maintainReplacement Impeller Shaft Assembly for Fluval 304 404 Series For impellers with curved fan blades only Easy to replace A20065 Compatible Model: Fluval 304 404 Series Features: For impellers with straight and curved fan blades only. Provides complete multi stage filtration for aquarium. Easy to replace. Fluval collection. Product Type: See Description. Parts: Yes. Pet Category: Fish and Aquatic Pets. Dimensions: Overall Height Top to Bottom: 4. 5