AquaClear 70 Ammonia Remover is ideal for new or heavily populated freshwater aquariums. Controlling ammonia levels for fish, It removes and controls harmful ammonia and nitrite, creating a healthy aquatic environ
4D Anatomy Human Heart Model, 4.5in model contains 32 detachable, hand-painted medical education-quality organs and parts and a display stand, Also includes illustrated assembly guide and description of the anatomy, Has unique puzzle challenge, For ages 8plus
Fraction distillation apparatus, made of borosilicate glass, with joint size 19/26, Comprised of a 250ml round bottom boiling flask, a vigreux coloumn, liebig condenser, receiver adaptor vacuum, 250ml erlenmeyer flask, and four 19/26 joint clips
Simple distillation apparatus, made of borosilicate glass, with joint size 19/26, Comprised of a 500ml round bottom flask, a still head with thermometer support, a 300mm liebig condenser, a receiver adaptor, and three 19/26 joint clips
Aquaponics System, Engages students in ecology, biology, earth systems, math, history and literature while pairing fish and plants in one integrated system, With Removable lock down plant tray cover, Aquarium cover, Plastic net pots and grow medium, Filter sponge, Pump