Water heaters being parts of machines; Aquarium pumps; Wave-making pumps for aquariums; Rotary lobe pumps; Pneumatic pumps; Electric pumps; Water pumps for swimming pools; Centrifugal pumps; Circulating pumps; Hydraulic pumps; Suction pumps; Aerating pumps for aquaria; Air stones for aquariums; Air diffusers for aquariums; Water pumps for use in aquariums; Water treatment equipment, namely, pumps for use in irrigation systems; Rotary pumps; Electric pumps for aquariums