Specifications:

[Carrying ring] standard thickened vertical iron cover 5 liters (10 pcs/box) without guide tube

[Carrying ring] standard thickened vertical iron cover 10 liters (10 PCs/box) without guide tube

[Carrying ring] standard thickened vertical iron cover 15 liters (6 pcs/box) without guide tube

[Carrying ring] standard thickened vertical iron cover 20 liters (6 pcs/box) without guide tube

[Carrying ring] standard thickened vertical iron cover 25 liters (4 pcs/box) without guide tube

[Carrying ring] standard thickened vertical iron cover 30 liters (4 pcs/box) without guide tube

Standard thickened horizontal iron cover 3 liters (10 PCs/box) without guide tube

Standard thickened horizontal iron cover 5 liters (10 PCs/box) without guide tube

Standard thickened vertical iron cover 5 liters (10 PCs/box) without guide tube

Standard thickened vertical iron cover 10 liters (10 PCs/box) without guide tube

Standard thickened vertical iron cover 15 liters (6 pcs/box) without guide tube

Standard thickened vertical iron cover 20 liters (6 pcs/box) without guide tube

Standard thickened vertical iron cover 25 liters (4 pcs/box) without guide tube

Standard thickened vertical iron cover 30 liters (4 pcs/box) without guide tube

Upgraded thickened vertical aluminum cover 5 liters (10 PCs/box) with guide tube

Upgraded thickened vertical aluminum cover 10 liters (10 PCs/box) with guide tube

Upgraded thickened vertical aluminum cover 15 liters (6 pcs/box) with guide tube

Upgraded thickened vertical aluminum cover 20 liters (6 pcs/box) with guide tube

Upgraded thickened vertical aluminum cover 25 liters (4 pcs/box) with guide tube

Upgraded thickened vertical aluminum cover 30 liters (4 pcs/box) with guide tube

Upgraded thickened square aluminum cover 10 liters (8 PCs/box) with guide tube

Upgraded thickened square aluminum cover 15 liters (4 pcs/box) with guide tube

Upgraded thickened square aluminum cover 20 liters (4 pcs/box) with guide tube

Upgraded thickened square aluminum cover 25 liters (4 pcs/box) with guide tube

Upgraded thickened square aluminum cover 30 liters (4 pcs/box) with guide tube

Upgraded thickened square aluminum cover 35 liters (3 PCs/box) with guide tube

Upgraded thickened square aluminum cover 40 liters (3 PCs/box) with guide tube

Upgraded thickened square aluminum cover 50 liters (2 pcs/box) with guide tube

Upgraded thickened square aluminum cover 60 liters (1/box) with oil guide tube

Double thickened square aluminum cover 10 liters (8 PCs/box) with guide tube

Double thickened square aluminum cover 15 liters (4 pcs/box) with guide tube

Double thickened square aluminum cover 20 liters (4 pcs/box) with guide tube

Double thickened square aluminum cover 25 liters (4 pcs/box) with guide tube

Double thickened square aluminum cover 30 liters (4 pcs/box) with guide tube

Double thickened square aluminum cover 35 liters (3 PCs/box) with guide tube

Double thickened square aluminum cover 40 liters (3 PCs/box) with guide tube

Double thickened square aluminum cover 50 liters (2 pcs/box) with guide tube

Double thickened square aluminum cover 60 liters (2 pcs/box) with guide tube

Double thickened vertical aluminum cover 5 liters (10 PCs/box) with guide tube

Double thickened vertical aluminum cover 10 liters (5 pcs/box) with guide tube

Double thickened vertical aluminum cover 15 liters (5 pcs/box) with guide tube

Double thickened vertical aluminum cover 20 liters (5 pcs/box) with guide tube

5 L-20 L iron cover barrel special guide tube 10 (with plastic card)

25 L-30 L iron cover barrel special guide tube 10 (with plastic card)

10 aluminum cover barrel aluminum head filter tube (with plastic card)