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Single tank [No.1] downcomer 60cm no downcomer no overflow pipe

Single trough [No.2] downcomer 80cm without downcomer without overflow pipe

Single tank [No. 3] downcomer 60cm + downcomer + overflow pipe

Single tank [No. 4] downcomer 80cm + downcomer + overflow pipe single tank 【

Single trough [No.5] downcomer 1 M + downcomer + overflow pipe

Single trough [No.6] downcomer 60cm with downcomer without overflow pipe

Single tank [No. 7] downcomer 80cm with downcomer without overflow pipe

Single tank [No.8] downcomer 1 m with downcomer and no overflow pipe

Single tank [No. 9] downcomer 60cm without downcomer with overflow pipe

Single tank [No. 10] downcomer 80cm without downcomer with overflow pipe

Single tank [No. 11] downcomer 1 m without downcomer with overflow pipe

Double trough [No. 12] downcomer 60cm no downcomer no overflow pipe

Double trough [No. 13] downcomer 80cm no downcomer no overflow pipe

Double trough [No. 14] downcomer 1 meter without downcomer and overflow pipe

Double trough [No. 15] downcomer 60cm without downcomer with overflow pipe

Double trough [No. 16] downcomer 80cm without downcomer with overflow pipe

Double trough [No. 17] downcomer 1 m without downcomer with overflow pipe

Double trough [No. 18] downcomer 60cm with downcomer and no overflow pipe

Double trough [No. 19] 80cm downcomer with downcomer and no overflow pipe

Double trough [No. 20] downcomer 1 meter with downcomer and no overflow pipe

Double trough [No. 21] downcomer 60cm with downcomer and overflow pipe

Double trough [No. 22] sewer 80cm with drain and overflow pipe

Double trough [No. 23] downcomer 1 meter with downcomer and overflow pipe

Bathroom Basin Sewer pipe 60cm