Can apply at all sorts of circumstances, industry is sealed and shock-proof, still can on the project sealed and waterproof wait. This product uses the natural balata of the entrance to be made, do not contain any harmful to human body part, r of free from contamination of green environmental protectionDoes summer resemble steam box hotly in house? Must not open air conditioning! Mount its systole drops in temperature RThis product is used novel use structural design, suck block small, use convenient, filter the effect is good, r of environmental protection healthThis stainless steel opens a lid implement, choose stainless steel material to be made, industry eletroplates not to rust, strong and durable RCan bring you comfortable enjoyment not only, and can bring you to be at ease the surroundings R of safe environmental protectionUse without radiation physics light wave height effect destroys midge, energy-saving environmental protection, avirulent insipidity, there are darling and pregnant woman to not be afraid of R in the homeHeat preservation of this wall paper is adiabatic, sound insulation falls a confusion of voices, exceed strong conglutinate, installation is simple, environmental protection installs complete R | | |