Displaying 61 to 80 (of 185 products)
Descripción general medidor ambiental Kestrel 5000
Se utiliza en la lucha contra incendios, agricultura, reacción a materiales peligrosos, meteorología, militares, policiales,…
Keep your optics clean with the innovative LensPen
Use the soft retractable brush for removing loose particles & dust
Clean smudges, fingerprints,…
Replacement rods for Field Scout model TDR meters (TDR 100, 200, 300).
Stainless-steel rods to replace damaged rods or measure different…
Este globo de 3"(8cm) de díametro levita asombrosamente entre el brazo y base plateada.
Luces en la base se iluminan cuando…
Our eXtra Heavy-Duty Paragon XHD field tripod provides support for giant binoculars, cameras, spotters, and small telescopes
Adjustable aluminum-tube tripod legs…
The Power of Your SmartPhone...for Nitrogen Management!
Determine recommended nitrogen rates at V6 - V10 stage for corn
Schedule nitrogen application with…
Meade Model 07509 Autoguider Port Module for LX80 and LX90 models with Meade AudioStar hand control. Allows use of CCD…
Ideal for testing irrigation water, pesticide water or dairy rumen pH
New Professional Grade Meter
The dual-action sensor guard protects the…
Sensor de repuesto para los modelos B-741, B-742, B-743, NO3-11, NO3-11S y NO3-11C
Solo requiere un volumen de muestra de…
Put the power of a laboratory right in your hands
New Professional Grade Meter
Measure nutrient solutions, soils, greenhouse soilless media,…
Mapa de las estrellas del cielo nocturno a todo color, posiciones claramente indicadas de los 600 mejores objetes celestes para…
Set of two cast-aluminum telescope tube rings with quick-release, hinged clamp knobs and felt lining
Use to attach 6" telescope optical…
Eliminate field curvature in short, optically fast refractor telescopes with this handy 38mm clear-aperture, fully multi-coated field flattener
Designed for use…
Turn a metal can into this walking, wobbling, bog-eyed robot. It could be transformed to become a robotic monster too.…
Contains 20 glow stars, 9 paper planets and double-sided adhesive tapes.…
Contains 100 assorted small, medium and large glow stars, 9 paper planets and double-sided adhesive tapes.…
Contains 1 glow moon, 10 glow stars and double-sided adhesive tapes.…
Construct your Buzz Wire and learn how to complete an electric circuit. Challenge your friends with the exciting Buzz Wire…
The most unique non polluting energy sources you can find on Earth - the potato, salt water and mud. Be…
Build this amazing and wind generator and learn about renewable energy. Watch the LED glow as it is powered by…
Displaying 61 to 80 (of 185 products)