Check the listing for details. Python Pro-Clean Gravel Washer and Siphon Kit for Aquarium, Large. Color: Transparent, Condition: New. Listed at 22.99 USD. Python Pro-Clean Gravel Washer and Siphon Kit for Aquarium, Large Features: Effectively separates and removes debris from your aquarium Constructed with flexible, high quality tubing For aquariums from 20 to 55 gallons in size Description: The Pro-Clean Gravel Washer and Siphon Kit effectively separates and removes debris from your aquarium gravel while you perform routine water changes. They are constructed with flexible, high quality tubing and a unique gravel tube that will not crack or chip. The large size is recommended for aquariums from 20 to 55 gallons in size. Payment: We accept PayPal and all major credit cards. “Buy It Now” items require immediate purchase. Shipping: Most items ship within 1 business day of received payment. Shipping is free unless you upgrade your shipping speed at checkout. You will receive tracking information within 48 hours of shipment. Returns: If you need to return your purchase, please do so within 30 days of receiving your item. Please contact us for an RMA number. We will not accept returns without an RMA number.