STBG 3Super premium
STBG 4 Professiona
STBG 5 High performance

Size (mm)	Item No.
	STBG 3	STBG 4	STBG 5
dia.8	STBG 308	STBG 408	STBG 508
dia.11	STBG 3011	STBG 4011	STBG 5011

Performance life: 6~8sqm/meter (40 beads/meter)
Speed: 2.0sqm/hour