CW4K-3HE12-1H CW4K-3HE12-2H CW4K-3HE12-4H CW4K-3HE12-5H CW4K-3HE12-6H CW4K-3HE12N1-4H CW4K-3HE12N1-5H CW4K-3HE20 CW4K-3HE20-2H CW4K-3HE20-3H