Get a comprehensive, in-depth introduction to the core Python language with this hands-on book. Based on author Mark Lutz’s popular training course, this updated fifth edition will help you quickly write efficient, high-quality code with Python. It’s an ideal way to begin, whether you’re new to prog...

Potassium Chloride provides a good source of potassium and is used in fluxes, production of other chemicals, heat packs, along with a lot of other uses.

CRC food grade silicone is a NSF rated H1, multi-purpose silicone spray for food processing and handling applications. It forms a colorless, odorless, non-staining film that lubricates and protects in most metal to non-metal applications. Food Grade Silicone eliminates binding and sticking, while pr...

Description: With the popularity of smart phones, more and more people will use the mobile to watch movies, etc.;While the small phone screen makes people feel very uncomfortable to watch for a long time.It also takes great damage to their eyes. Therefore,this products will help they avoid these p...

"Made my sinus headaches disappear in two days!" | "I no longer have that painful and uncomfortable pressure built up around my face that tends to accompany sinus problems. The chest rub itself really feels comforting when you're having breathing problems." | "My allergy cough is gone, and I am thri...

The Kent Marine Sea Squirt makes it possible to target-feed liquid supplements to corals or other aquatic animals so they receive the nutrients for proper health and growth. The Sea Squirt features a 21-inch graduated tube that extends to 35-inch for deep aquariums and hard-to-reach areas. A unique...

The 12 Volt eyelet battery indicator works with NOCO Genius battery chargers and allows the battery chargers to connect quickly to any battery. Built-in LEDs indicate the charge level of the battery, for ongoing monitoring. The ultra-efficient LEDs flash, draining almost no power from the battery. R...

1/4" NPT port, brass body, VITON seals, 12 volt DC, for air, water, or fuel (disel, gasoline, oils and other hydrocarbons). U. S. Solid normally closed (N/C) electric solenoid valve is constructed with a durable brass body, two-way inlet and outlet ports with one-quarter inch (1/4") female threaded...

Hydrofarm heat mats are perfect for veteran growers, beginners, and children too. They improve germination by warming the root area 10-20°F over ambient temperature. By warming the roots, you increase your growing success! Bottom heat is one of the most important and effective ways to improve germin...

Use Camco RV Universal Vent Installation Kit with Putty Tape to replace or install roof vents, side mount vents, plumbing stacks and refrigerator vents. The kit comes complete with screws, instructions and 1" x 8' putty tape for use with aluminum or other metal roofs. The screws included are 24 #8 x...

This Pentek EP-20BB carbon block filter cartridge reduces fine sediment and chlorine taste and odor in residential and commercial drinking water. It has a nominal (85%) filtration rating of 5 microns. The filter will reduce free available chlorine (FAC) at 2 parts per million (ppm) by at least 90% i...

Alesis’ Pro X Hi-Hat is a dual-cymbal, continuous hi-hat controller that brings natural hi-hat playability and feel to Alesis DM10 and DM8 drummers everywhere. Precisely calibrated for the Alesis DM10- and DM8-series electronic drum kits, Pro X Hi-Hat integrates seamlessly with and expands the expre...