Biochemical sponge filter provides both mechanical and biological filtration. Simply install an airline into the unit and provide both aeration and filtration for your fish. In addition, the 4 1/2 inch sponge filter traps waste particles mechanical.

Red nonslip plastic handle, double end and single end design.It is great for letting the air out of inner tubes, is used for installation and removal of standard valve cores.

Female to female RCA connector connects two male RCA cables. Use to convert connectors or extend cables. Great for composite devices such as video games, vcrs and DVD players.

Widely used in Micro DC Gear Motor 37mm series.DC geared motor to robot smart car wheels Hex coupler.Compatible with the motor shaft size 6mm diameter.There are two screws. 

Product Name : SMA Male to SMA Male RF Connector; Type : Male to Male. Material : Alloy; Total Size (Approx.) : 2.1 x 0.8cm / 0.8" x 0.31" (L * D). Color : Gold Tone; Weight : 26g.

Made of Plated Steel.Widely used in Gear shaft, motor shaft, short support shaft, shaft pocket model, miniature axle, model plane, model ship, model cars.

Description:2.3mm diameter shaft, 2 pins connector, cylinderical magnetic gear motor.Great replacement for the rusty or damaged DC gear motor on the machine.Used for electronic game machine, electronic toys, car toys, robot, electronic equipments, etc.Specification:Rated voltage: 12VMotor Body Diame...

Specification:Description:Zinc Plated Carbon Steel Rivet Nut Insert Nutsert 1/4-20UNC, 0.5-3.5mm Rivet Range, Large Flange, Knurled Body

Power plug features one power connector end DC female to another end terminal for CCTV camera connected. Support power for CCTV camera accessories, such as video balloon. Easy to use, plug and work.

Used widely for router, booster and WLAN Wifi antenna convertion. The antenna adapter will connect your devices to the antenna to provide better reception in no signal areas.

Specifications:/descriptions:/p uluhelps reduce EMI on AC power lines.black plastic enclosed ferrite core for 5mm AC power cords.great for cutting noise on USB, fire wire, phone, power cord, coaxial, audio, video etc. Cables. easy structure and convenient installation. Just clip it on and you will g...

Mandrel mounted white conical felt point. Suitable for polishing and buffing jewelry, soft metal, wood, plastic, etc. Can be used with electric drills, electric grinders or other rotary tools.