It is for freshwater, saltwater aquarium and hydroponic use. It's used to increase the dissolved oxygen level in the aquarium. It produces fine bubbles making it efficient in the replacement of Oxygen in fish ponds, tanks or hydroponic systems.

Don't be a victim! Radio Frequency Identification (RFID) chips, are now in most credit cards, licenses, ID cards, transit cards and passports. They offer a convenient way to make contactless payments, but that convenience comes at a cost. Through simple and inexpensive tech, hackers can easily skim...

Simply install an airline into the unit and provide both aeration and filtration for your fish. The Fish Tank Sponge Filter featuring a weighted plastic base that keeps the unit from floating during use and cylinder design to eliminate dead space between the filter. Provides both mechanical and biol...

Spring Water Seal is specially designed to keep out water and dirt, the rubber coated outside diameter creates an optimum seal, the garter spring guarantees constant pressure on the shaft over the life of the seal. .

This shunt resistor is used to multiply the measuring range of current of measuring. Could be used either in a digital or an analog meter.p /p.

plastic double hole band lock is for locking cable use for convenient use. With sprung design. Widely for lanyard, luggage, clothes, Backpack, sportswear, shoelaces, tent and more. .

RuvTech 360 degree flexible gooseneck rotating clamp gives you virtually any viewing angle while driving your vehicle. Compatible with almost all the size of the mobile phone screen 3.2"-6",open max=90mm, which secures your smartphones, including iPhone, Samsung, HTC, blackberry, and other electroni...

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

A Crane Pulley Block is a kind of hoisting tool, also called a sheave, is a mechanism composed of a wheel on an axle or shaft that may have a groove between two flanges around its circumference. A rope, cable, belt, or chain usually runs over the wheel and inside the groove, if present. Pulleys are...

BNC Male to UHF SO239 Female Connector. BNC product are that one kind push the locking type joining, it has small, light electric performance a fine characteristic easy to use, suitable for joining the coaxial cable of the radio frequency to use in the radio equipment and radio equipment and radio f...

Used widely for router, booster and WLAN Wi-Fi antenna conversion. The antenna adapter can connect your phone to the antenna to provide better reception in no signal areas.   .

Features: 8 pins DPDT, with coil voltage DC 12V, contact capacity AC 30A 250V and DC 30A 28V. The JQX-12F 2Z General Purpose Relay can adjust automatically, protect and transform the electric circuit. Widely used in the remote control, communication, automatic control system, electronic equipments,...