Amazon.com: IIVVERR Black Plastic 25mm x 21mm Flexible Corrugated Conduit Pipe Hose Tube 7 Meters Long (Tubo de manguera de tubo de conducto corrugado flexible de plástico de 25 mm x 21
LASCO 15-1623 PVC Hose Adapter with 3/4-Inch Female Hose and 3/4-Inch PVC Pipe Glue Connection, White - - Amazon.com
Amazon.com: uxcell PVC Rigid Round Clear Tubing, 23mm ID x 25mm OD, 0.5m : Industrial & Scientific
uxcell 1" x 1" 3 Ways T Shape Tee PVC-U Drainage Pipe Connector Fitting White - - Amazon.com
MECCANIXITY PVC Rigid Round Pipe 20mm ID 25mm OD 200mm Clear High Transparency for Water Pipe, Aquarium, Fish Tank - - Amazon.com
X-DREE Black 42mm x 35mm Flexible Split Corrugated Tubing Wire Cable Conduit Tube Pipe 4.5M(Tubo di tubo per conduit ondulato flessibile con tubo flessibile di 42 mm x 35 mm 4.5m - -
Amazon.com: (1 1/2" Dia. x 25 ft) - HydroMaxx® White Flexible PVC Pipe, Hose, Tubing for Pools, Spas and Water Gardens : Patio, Lawn & Garden
Amazon.com: 10PCS Rigid PETG Tube 5PCS 1" (25mm) OD & 5PCS 1/2" (12mm ) OD x 1mm Wall Thickness Plastic Tubing, 16" Length Clear DIY Acrylic Tube Chemical Resistant Round Polycarbonate Tubing :